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Lost All Contact On My Nexus 4 Device
I decided to make a new gmail and replace it with my old gmail on my phone so i removed account and then what i put my new gmail id all my contacts are lost and in my call log i only see numbers no names. Can anyone please suggest how i can reverse this?

Your contacts might have been synced with the old Google account. You can try doing this:

Login on your computer with the old Gmail. Go to "Contacts" and see if you have all your contacts visible over there. ("Contacts" option will be available on top left, where there is a caption of "Gmail" along with an arrow).
If you find your old contacts in the above step, login to your phone with old Gmail Id. You will probably see all your contacts again.
Export all the contacts to your phone memory.
Login with new Gmail Id.


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What doesn't data usage show?
I was recently helping someone try to figure out were the data usage was coming from since recently it has sky rocketed from under 8GB to well over 30GB. Anyway, they went to the data usage under setting (I believe the phone was a Galaxy S 3 or 4) the total data usage essentially agreed with the carriers usage but the apps below did not add up anywhere close to what was said. This was over the phone so maybe I missed something.
Anyway, is there anything that is not shown by the data usage that comes with the Galaxy S III (or any android devices)?
Is there a way to get that info, maybe with a different app?

Usually it won't happen that the total data usage is inconsistent with each app's data usage. However, you may try installing some of the data usage monitor apps on PlayStore:

My Data Usage
Data Usage
Onvao Count

source: Stack Exchange

license: Creative Commons - Attribution Share-Alike - https://creativecommons.org/licenses/by-sa/3.0/

sort: votes


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How to reduce minimum internal storage free space when installing/updating applications
On my Nexus 4, if the free space on the internal storage goes below 500MB the phone is unable to install/update apps (reports "There is insufficient space on the device")
From what I've found online, all the guides/forums etc. only suggest how to free up more space on the device, rather than suggest how to reduce this (to me, seemingly high) limit.
Is this because it's somehow hard coded into Google Play/Android? Or is it somehow possible to reduce this limit?

all_licenses: Creative Commons - Attribution Share-Alike - https://creativecommons.org/licenses/by-sa/3.0/


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htc desire z root shell
I'm trying only to get a root shell, not persistent, don't want to flash any kind of image or install closed/proprietary apk, nor run scripts/exploits that write/erase/modify any flash.
For a newer device has been just a matter of few mins, found an exploit, compiled, pushed, executed, got the root shell, instead this one seem to be unbreakable, already spent hours trying different approaches :-|
2.6.35.10-g53a84f9 (htc-kernel@and18-2) - Android/2.3.3
Suggestions?

zergRush did it, seems to be the only one working, I just did some personal change to not remount /data and not set any property but just chmod an adb pre-pushed /data/local/tmp/su.


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Rooting for Galaxy Tab 4 7.0 Model SM-T231
I would like to ask is there any possibility/ method that I can used to root samsung galaxy Tab 4 7.0 model SM-T231?
I have tried used vroot and towel root but does not work.


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Chrome for Android, Note 10.1 2014: Where is the share web address button?
I'm missing the three-dot button in the right end of the address bar.
I am not sure if it even was there in the first place, but on other Android tablets it is, I just checked at the local Samsung store.
Am I really supposed to share url's by copy-pasting into other apps? If so, is there an extension to bypass this limitation?

On the Note 10.1, and most Samsung devices, you use the physical menu button to bring up the menu instead of the on-screen three-dots icon. You'll find Share... on that menu as usual.

You beat me to the answer. So, I'll just add the screenshot I made for this question. :)

It's a bit all over the place at the moment: the S4 does not have the 3 dot, but the S5 does in Chrome, some HTC (M7 and M8 (to be fair this has soft buttons anyway)) do have it but others don't. It's just down to the version and skin on the particular device. Samsung are moving away from the menu button and making it the 'recent apps' button on the S5 and I'd imagine this trend will continue.


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Wifi, connected but not connected
I have a peculiar problem with my Kobo Arc, which runs on Android 4.1.1.
When this device connects to my Dynex router, it goes through the whole "Authenticating" "Obtain IP address" "Connected".  No problem so far on the Wifi screen.
But now when I go online, I get "drops" almost on a pattern, every few seconds the connection will drop (a Youtube video on Youtube app will load, then run 3 sec then never load again until you constantly refresh or reseek, and sometimes that doesn't even work.)
Wifi connection bar remains full and remains "Connected" throughout the entire time, because Router is right next door, and this happens when I'm sitting right in front of it.  I switched Channals from 1-11, I tried different encryption.  To no avail.
So what's the problem here?  It's not signal, and my desktop computer using a USB wifi thingy don't experience this drop.

Has this device always done this? You might need to contact the manufacturer.

Un-plug your router for 30 seconds and try again. If it still happens then your router might be going out other than that your device might be buggy and you need to get a new one.


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3g network connection Problem while using data
For last two months or so, the situation in my two years old international HTC One X is that the data is not connecting when it is on 3g network but it is working absolutely fine with 2g network. when its connected to 3g, the mobile network fluctuates, data works with 3g speed for only few minutes and signal drops out. In simple terms, on 3g it fluctuates in data access and network access whereas on 2g it works absolutely fine.
I have changed two 3g enabled sim of different carriers they are also performing the same way in my HTC one x. I have changed the location of the phone, the problem persists. My sim also works fine with another handset in 3g as well as in 2g. So the conclusion is that there is fault with my HTC one x but the question remains what is the fault. Whether software or hardware. I have also done the factory reset but to no avail and I have also switched to custom rom but the problem is still there.
Any solution would be of great help.

Well researched (+1 for that). Really looks like a fault with either the hardware or the ROM of that specific device. If still under warranty, I'd contact the dealer (to either have the device reflashed or replaced). Did you apply some OTA/ROM upgrade at the time the trouble started? Could be connected then.

No I didnt apply any OTA/ROM upgrade at the time the trouble started. Its not under warranty and I have also flashed custom ROM myself. The problem is still there.

Yuck. Pretty strange then, as almost all possibilities have been ruled out with that. Only thing left I can think of then is a new radio image (if available). If that doesn't help either, guess you've got to live either with unstable 3G, stable 2G, or having to get a new device.

Is there any chance of hardware issues which is used for network purposes and instead of replacing the device, replacing the hardware could work? Hardware is working very well with 2G and not with 3G, are there separate hardware for both or there is one hardware working for both 2G and 3G.

I'm not really familiar with the hardware question, but AFAIK most of that are integrated multi-purpose circuits, so I doubt it would be an easy task. You can ask a service tech on that, but my guess is a repair would be more (or almost as) expensive than buying a new device.

In your mobile network settings ensure that data in roaming is enabled and working. Secondly, the data channel option will be there in the mobile while addressing the APN and advanced settings. In that option you choose your service provider channel.

It seems like the problem has to be with Hardware. On the software side, everything is fine. Might be the hardware of the phone and ROM are not in Sync and thus you are not getting the desired performance for 3G service. Consult official HTC service providers and tell them to address this issue.


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How to use the S5 fingerprint scanner with full device encyption?
I am using the S5 and have decide to fully encrypt the device and the sd card. My biggest problem is that now the fingerprint is no a possible choice as a lockscreen security. Only password.
I believe changing lockscreen.password_type would solve the problem, but I have yet to find the value for fingerprint unlocking: (0 is for no locks, 65536 is for pattern lock, 131072 is for pin lock, etc)
Anyone can help?


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GPS functionality degradation on Galaxy SIII
I recently moved from a relatively flat area to an area near the mountains. I used to have good reception for my GPS when I would run using the RunKeeper app. Now I only get reception for about half of my run. The App shows 'green' on the reception meeter, and I can use Navigation and other GPS driven apps without a problem. Is there anything I can do to test the GPS functionality within the given area? Is there any known reasons why an app would not properly work even though it says it is getting sufficient reception?

I had big problems with GPS in my galaxy s2, the connection was unstable and sometimes it took 30 minuts to get the signal
To analyze the GPS signal you can use something like GPS status
https://play.google.com/store/apps/details?id=com.eclipsim.gpsstatus2
I've discovered that my phone was suddenly loosing all the signals, so I suspected an hardware problem
The GPS uses as antenna the metallic board that is inside the phone
I've disassembled the phone, and Cleaned this board from oxidation in correspondence of every screw with a nail file
I'm surprised of the result the GPS signal really busted (it fix in 30 seconds inside the house) and is totally stable
You can find here a video tutorial specific for s3
Galaxy S3 Gps Fix (When Screw Tightening Doesn't …: http://youtu.be/VI4hs19riRM


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Mounting android phone to android tablet
I have a Samsung Galaxy Ace, with Android 2.3; and an android tablet with USB host support, running on 4.0.3.
When I connect the phone to the tablet with an OTG cable, tablet says SD card is broken, and that I need to format it.
The tablet is rooted and I have Debian on it, which is run alongside android (With the help of Sven Ola's 'Debian Kit').
Is there a way to mount phone FS on the tablet?

I think that 'broken' means 'unsupported file system'. You can try searching for solution even just in Play Store. I had similar situations what I tried to connect ntfs pendrive to smartphone. This helped me, but I feel like You do not have ntfs file system there.
Hope that it somehow helps.


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Why I can't see all images in the gallery?
My Phone is SYMPHONY Xplorer W35. Android version JellyBean 4.1.1 Recently I'm facing a problem. Sometimes I download images from my PC to my mobile phone. But unfortunately these images are not in the gallery apps. For this when I need to upload an image from messenger I can't upload them because they are not in the gallery. But after few times the images are automatically shown in the gallery. (My messenger doesn't support uploading file from file manager)

What gallery app is opening to send the picture? Is it 'Photos' by any chance (the Google one)? That only shows a few recent ones unless you change what tab you are on, or select "Gallery" from the left hand 'hamburger' menu.

@RossC The question clearly states the "Gallery" app, which is part of Android for a long time. The "Photos" app is not the app in question.

@PJBrunet yep but it isn't anymore, Google have been chopping and canging for a while. He said "gallery appS" so I presumed there was more than one from that, and wanted to clarify. Many, many devices change the names/convention/code of their own gallery. It's worth asking.

@RossC I have Android Lollipop and use Gallery exclusively and Photos is not even installed on my phone by default. I'm not rooted. I found this question because it's ranked in Google for "Android Gallery" which is exactly what I wanted help with. Anyway, I see your point. FWIW, there are some good answers here but I ended up using "Total Commander" because Gallery wasn't finding the image on my sdcard.

This very much depends on how you upload the images to the device. In order for the gallery app to pick them up, they must be added to the "media library", which is the job of the media-scanner. So that one needs to run after you've uploaded the image(s).
There are quite a few events triggering the media scanner to do its job – but e.g. uploading a file via FTP, or copying it with a file manager do not belong to that category. Things you can do to trigger it include:

rebooting the device (media-scanner always runs at BOOT_COMPLETED)
unmount and mount your SD card (it also runs whenever a new medium is attached)
trigger a media scan via the the command line
use a media scanner trigger app to trigger a scan manually

Pick your choice depending on how often you need to do that. If it happens once a year, a reboot probably is the easiest approach. If you need it daily, one of those apps will be the better solution ;)

There might be a file in the folder with the images not visible called ".nomedia". The file, by existing, tells the android system to not include the images in the folder in the media scan. That means that many gallery apps won't see the images. If you have a file manager installed, and know what folder the image is in, you can navigate to the folder and remove the ".nomedia" file. If there is no such file but you manage to find the image it might be another problem.

No its not like that. I can't find any .nomedia file. The images I can't see are visible in the gallery app but it takes time.. I can't measure how much time it needs. Sometimes after a day I can see the images. Again sometimes after few minutes. :)

Once you delete .nomedia files & if you still cant view those pictures, you need to rename the folder e.g. from DCIM to DCIM2. Once you can view them on gallery, you can rename back to original folder name e.g. DCIM2 to DCIM. same goes to other folders. Tq

Why should that be necessary? Once the .nomedia files have been removed, one only needs to trigger the media-scanner – either using an app, or by simply rebooting the device.

I had this issue on a completely different phone and version of Android, but both the issue and the explanation can be universal.  In my case, it was the existence of the .nomedia file in the directory I was trying to see in the Gallery app.  This is documented in the Android Developer documentation under Storage Options and, as of this writing appears in a sidebar as follows:

Hiding your files from the Media Scanner
Include an empty file named .nomedia in your external files directory (note the dot prefix in the filename). This prevents media scanner from reading your media files and providing them to other apps through the MediaStore content provider.

In my case, some application that I installed must have put this file in my Download directory, hiding all of the images there from the Gallery app (and others as well).
Solution: All I had to do was delete the .nomedia file from the directory and the contents became visible in the Gallery app.  You can simply connect your phone to your computer and browse to the directory to accomplish this, or use a file manager on your phone configured to view hidden dot files.


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Get device's component information and health status
Is there any option provided by Android by which we can list down all the hardware and software component of smart phone? Also, we can check the health staus of all the hardware components. For example, battrey, wifi, camera etc. If the battrey is 50% charged then it should show the user about battrey current health. Its hould also tell if all other components are working fine or not, like wifi, bluetooth, RAM,ROM etc.
Is there any existing app for the same. If not then, what all things I need to know to build this app.

Well, there are a number of tools available over the store that can help you in detecting the health status, try using Z-Device Test available over the store.


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How to re-install updates to Google system apps?
I have Android 4.2.2 on my phone. A few weeks ago Google Play was acting weird and would not install updates to some of the apps. I tried lots of things but nothings worked. Eventually I uninstalled the updates of Google Play Store (back to 3.10.10) and Google Play Services (to 1.0.15), thinking even if it didn't help I could reinstall the updates later. I was asked "Do you want to uninstall all updates to this android system app?" each time and I continued. Turned out it actually worked and I could install those apps that I could not install before. I decided to leave them as old versions since they seemed to work better.
Fast forward a few weeks, now there are some apps that give me errors when Google Play tries to update them. So I want to update Google Play Store and Google Play Services back to the original (and newer) version but I can't figure out how. Any suggestions as to how I can do this? Thank you.

I'm assuming your phone isn't rooted. If you know exactly what build/version you're after then do a quick Google search for 'Google Play Services XXX.apk' and manually install the later version over the top of your current one, and the same for the next one. They are available on aptoide, blackmart and other alternate stores.
If you get any packages error, or system error, I would suggest just do a reformat and reinstall all your content- it's generally quicker than scowering the net for the cause behind the issue.

Thanks. Mine is rooted, but how do I figure which version I should get?

@ceilingcat In this instance, determine your current version and search the listing available. I'm sure a simple search for Google Play Services will give you a list and change log. If you're having difficulty knowing what version you're on, just use an app extractor and extract your version.


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What is the minimum number of modifications in order to install a custom ROM?
I am planning to upgrade my wife's Galaxy Ace II from 4.1.2 (the latest official firmware offered by Samsung, installed via Kies)  to 4.4.4, which is available via http://novafusion.pl/downloads/ as an unofficial CyanogenMod 11.0 variant.  I have tried to gather as much information as possible, but some things are not clear yet.  I am seeking short, precise, technical answers; there are enough "10 steps for ... your phone" out there already. ;-)

I know what rooting means, but apparently it is not always necessary in order to install a custom ROM? (This seems to differ from Jailbreaks on iPhones.)
However, I probably have to "unlock the bootloader" in order to make the phone accept a firmware that is not signed by Samsung? (I understood that this is what "unlocking" the bootloader means.)
If I understood correctly, the (/a) recovery mode is always available and mainly offers the features to a) wipe the data partition, b) wipe a cache partition (which seems to be hidden from the UI, so I did not know about it before), or c) install an update.zip from an SD card.  Apparently, there are more advanced custom recovery ROMs/firmwares out there, too, which is probably analogous to installing Grub instead of Windows' default bootloader.  But do I need no install a custom recovery ROM, too?  (Why) Is that recommended?

To install a rom you have to root your device, there is no way without rooting your phone as long it isn't rooted yet
Sorry dont understand your second question.
You have to flash a custom recovery such as Clockwork Mod Recovery. You need a custom recovery because you can't control the default recovery (no way to acces it). So you have to set your phone in downloadmode and flash the root and the recovery.

Have a loook at this step by step  tutorial where everything is explained ( http://forum.xda-developers.com/showthread.php?t=2215996).

Thanks for you answer.  However, I think it is not true for all phones.  For instance, I could easily access the default recovery, by holding Vol-, Home, and Power at boot, and got asked whether I really want to install a custom ROM.  I think by saying "yes" (Vol+), I already unlocked the bootloader (2), but that may be Samsung specific, see http://android.stackexchange.com/questions/37702/do-i-need-to-root-my-phone-before-installing-cm-on-my-s3

Okay, didnt know that. At least it's not Samsung specific because on my phone i need a custom recovery and its a samsung too.  Anyhow i wish zou good luck and if you think my answer is right please mark it as right too.  Thanks


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Note 3 on OSX. Stuck in "Connected as a media device"
I'm studying tutorials on Android development. After struggling to get an AVD running on my system, I'm using my personal cell (A Note 3 on Verizon) to test the small programs I'm writing.
I enabled developer options and USB Debugging on my phone. When I connect it to my computer (an iMac running OSX), it behaves as most people want it to: It notifies "Connected as an installer" for ~30 seconds, then displays "Connected as media device." The Android File Transfer application starts up.
My problem: I need it to stay in "Connected as an installer" mode. So long as it's "Connected As Media Device" Eclipse and the Android SDK can't copy programs to it.
For the last few days, simply closing Android File Transfer on the computer caused the phone to revert back to "Connected as an installer". Lately, though, that doesn't do the trick. I open and close Android File Transfer, but the phone is stuck in "Connected as a Media Device" mode.
If it helps: Eclipse can see the device. When I plug it into the USB port, Eclipse's log show all the messages coming off the device. But Eclipse won't run programs on it so long as it's in Media Device mode.

Weird. Have you checked that USB debugging is enabled?

"won't run programs" What actually happens?

aureljared. It's a bit random. Enabling and disabling USB debugging sometimes fixes it, sometimes not.

Dan Hulme. Eclipse doesn't see the phone as a target when I attempt to run the program.

I wrote this post last night when I was badly rushed for time. I used only Eclipse's tools and my Note 3. Tonight I'll work directly with the abd program, and I'll see if can borrow my wife's Nexus 7 for troubleshooting. Then I can determine if the problem is with the phone, the SDK, or Eclipse.

I am a professional Mobile Application Developer, and often use my own personal Galaxy Note 3 for test at the office, and I've never come across this issue.
When I plug my Note 3 into my Mac Pro, it appears connected as a media device, and it appears in the Eclipse "device chooser" window.
What you probably need, is the Android File Transfer software, which can be downloaded here.
If that doesn't work, try looking for Samsung drivers for OSX, although I don't believe I ever installed any.


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Froyo freezes on bluetooth use
Whenever i connect any bluetooth device, be it to my pc for copying files, another droid or my headset (Ive tried 3 different headsets) it freezes the system.
By freezing i mean if i get a phone call it rings in and i can answer with the headset. If its copying files it finishes. But i cant get back to the home screen.
The hardware buttons work, as if i hit the side button or the home button the screen lights up and the buttons do also but the system doesnt show, the screen stays lighted black. This is indefinately.
The only way ive found to get it back is taking the battery out.
Ive tried a couple bluetooth fixing programs and still nothing.
This doesnt happen from pairing alone or connecting. This only happens during long processes, ie anything that takes longer than about 2 minutes.
For instances copying a file or talking on the headset. If the call is under 2 minutes it goes right back to the system fully responsive.
The only thing i havent tried is flashing, i dont want to have to do that though.
This is a Galaxy Ace that i am using.

I don't you're running out of available RAM. You should try using a memory booster like GO Task Manager to clear some up.

I don't personally see how this could cause the problem. I never once use my home key to exit an App, always, always use the back button to close it out properly. That and I check my phone 3 or 4 times a day for open/active apps.

Also Joe, you need to use better English when posting on StackExchange sites. The abbreviation 'ur' is reserved for text messages only please.


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How come moving files on my phone when it's connected to my computer actually does a copy instead?
So, I copied a file from my desktop to the phone's microSD card. Then I realized that I'd like the file to be in a subdirectory on the card, so I initiated a move. Shouldn't take long at all, as it's just a file system entry update and not an full copy, right? Wrong! I had to wait the same amount of time as the initial copy! What's the reason for this? Is it some limitation of MTP?

Could you give more information so we can understand what you did? What OS is your PC using, and what software on the PC are you using to move/copy the files?

Keeping this open since Sudo SU Root's answer seems legit. He seems to have understood the scenario as well.

I would really need more info to give you a precise answer, but I think I know what you are speaking of. When you move a file through MTP with your mouse, on your computer, your computer is not just moving the file... it is a totally different type of filesystem, and therefore has to basically read the file and write the file in new location. It is not the same as if you were in adb or terminal issuing:

mv FILE NEWFOLDER/FILE

...or a root explorer long pressing to move, which issues the same as above.


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How to update/upgrade any phone to Android 4.4
Variations on this question appear to be a common unanswered question; often they have a comment or two that I don't understand. I'm hoping someone can answer with some general background information, the concepts.
E.g. I see reference to "rooting". Do I need to root a phone before I can upgrade it? I've had previous Android phones that got auto-updated (either by the carrier or manufacturer: I just find a message that says: "a new update has been downloaded, click here to install"), and I didn't need to root them.
E.g. Can any smartphone be upgraded to Android 4.4? If not why not? And why might a manufacturer not want users to update their phones? Are some manufacturers more open to having phones updated, and some not? Does anyone keep a list of "upgrade-hostile" manufacturers?
E.g. does the phone being sim-locked (to a specific carrier) matter?
I'm not going to say what my phone is because that will distract from the more general answers I'm after.

@DanHulme Thanks! Assuming that answer still applies for an update to 4.x to 4.4 then I think it is a duplicate. It is a shame that one never came up in my searches!

Direct link to the 4.4 list: http://android.stackexchange.com/questions/56112/when-will-my-device-get-the-android-4-4-update-kitkat


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what is going on with my phone?
recently my phone has started installing invisible apps without my permission.
I have three different security programs, and at random times they will pop up in the notification bar with " scanning installed app ". even though I didn't tell it t do that.
at the end, there is no actual app there, so wtf installed?
I'm not sure if it's some virus installing invisible apps, or if it is Google performing unpermissive updates, but I have told Google I do not want it to auto update and it's trying to do it anyway.
I know that whatever this is, it has something to do with Google Play because. have a firewall.
I have told my firewall to block anything from the google services framework and as long as the firewall is on it won't do this.
however, if I turn off the firewall, it goes nuts. trying to auto update, and install all kinds of unwanted garbage.
what can I do? can I just uninstall play store?
Samsung Sch- i110 * rooted
2.36 Gingerbread
Avast! mobile security * firewall
Malwarebytes Anti- malware

Could it be that it is scanning already installed apps rather than a newly installed app? I expect this is more likely than invisible apps being installed on your phone. Do the notifications happen at regular intervals or the same time each day?

Actually you don't need all those crap of security apps, I've been using android for several years without such issues. I'd suggest you backup your data and perform a factory reset, that will make your phone pretty fast and new like. And avoid installing such bloatware (even 1 is too much, you are coping with 3). They also affect your battery life. Just one thing you can do to protect your phone is go to settings>security, uncheck "unknown sources" and you should be fine.. for now a factory reset is required i guess.. just to be safe.

Your best bet would be uninstalling those unesecary security programs, seeing if the problem persisits, in my experience android security programs are both unesecary and cause more problems than they solve.


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Repeat notifications for users on-call?
For people who are on-call and use android phones.  What's the best way to repeat notifications until acknowledged?
If an alert comes through at 4AM I may not hear one beep.  But it would be nice if the phone just kept beeping until I acknowledged it.  Is there a way to do this without an extra app?

Presumably the app you use to notify yourself has the ability to choose a ringtone. Just pick a ringtone that is long and noisy, or a loud annoying song, or better, a looping ringtone.

There is no way to do that with default android and you will need to find applications in order to do that. For example in regards to text messages you can use an application such as GO SMS which has the option to set up a reminder that will set off a different ringtone/alert until you acknowledge the message.
I am sure there are different apps out there that will do this for other notifications such as email if you need it but it might take some work to find the apps you need.


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ROOTING THE ANDROID DEVICE
Hope y'all doing fine, My question may be so lame sorry but wanted to know the answer.. how to root a android device I have mobile of Sony Ericsson Xperia Mini (ST15i) I bought that before 3 years, still use the thing it's still good working condition but on the latest update of the software which it sucked all my internal memory now i have only 100 MB to usable and latest update of Facebook alone is 25 MB + extra data 30 + cache 10 MB and total is 65 MB (rough calculation) so thought of removing the unwanted default apps which came with the update which were uninstallable searched for removing, XDA Developers  said that the best bid is to root our device and so can you guys please guide me how to root I checked with SuperOneClick it never worked

So, here I will be trying to help you real fast by directly dropping you over to the thread over stack exchange How to root the Xperia Mini ST15i.
PS: Updated the link.

bro downloadable files which has root tool kit have been removed.. :(

Oops I think I may have to check it before giving it to you ! @rajesh now try looking over the post I have updated the post.


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Locked out by CyanogenMod 11 upgrade
I tried a CyanogenMod 11 to upgrade from 4.1.2 to 4.4 on Samsung S3 Mini i8190. When the phone rebooted, my pin no longer worked. The 3 button hard reset has never worked on my phone. This mod is supposed to have TWRP but can't get to recovery mode. I tried a few flash options for hard reset and one jacked the phone turning on and off repeatedly. I tried flashing a 4.1.2 stock ROM but the phone would endlessly reboot. Heard this was a common problem when downgrading. So went back to 4.4. I don't believe debugging was enabled, since the instructions I followed didn't say to do that. So adb shell won't work. WiFi and data transfer were disabled so Google Manager idea won't work as well.
Any ideas? Thanks

Best solution I have at this point for recovering usability of your phone would be to boot into Download Mode and flash a full suite with ODIN.


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Help me reinstall Gapps in my Rooted Xperia SP
Recently, I rooted my Xperia SP (running on Stock Jellybean 4.3). Out of excitement, I uninstalled a few Google Apps (gapps) from my phone. But I think I require the Play Store. How can I reinstall Gapps on my phone?
Let me clearly explain you my current status → for uninstalling those apps, I used ES File Manager (Root Explorer-->Uninstall System App). Though some apps like the play store, gmail, facebook etc. were uninstalled, I found that apps like google account manager, google backup transport cannot be completely uninstalled. So, now I have an incomplete set of Gapps. I compared this list of essential gapps with my file manager's system apps' list and found only SetupWizard.apk missing. So, I downloaded SetupWizard.apk from here and tried to install using ADB but I got this error: [INSTALL_PARSE_FAILED_NO_CERTIFICATES]. Another interesting thing is that when I try to install SetupWizard.apk using my file manager, I get these screens, out of which the first screen suggests that Setup Wizard is already installed in my phone. What the heck is all these, man???

Now, I am a total newbie to flashing and other super-geek things, so I am pretty scared to flash the gapps' zip using CWM. Please give me an alternative way, if possible.

First of all you don't tell us what exactly apps you uninstalled there is a chance that you uninstalled some app that cannot be replaced by just adding gapps. Varius gapps for all the versions can be found here https://goo.im/gapps/ please be carefull to choose the right version according to the version of Android installed on your smartphone.
You should not be afraid to flash .zips from the CWM, one of the reasons of root and installing a custom recovery it this one. Also it will save you a lot of time.
If the first line of this answer is true then you will have to reinstall the ROM that is currently being used at your smartphone.

Thanks for answering. Luckily, I managed to get things right (actually, I found that I didn't uninstall any of the core Gapps).

There is indeed a way to obtain gapps without flashing your phone (I had similar issues with Google Play on Sony Xperia). There is an app that does this as long as you have root access enabled on your device -- the app can be found here (while the official website of the app is down). There are two simple buttons for deleting and installing the core set of gapps.


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Galaxy S3 showing messages are not sending when they are
Title says it all to be honest
Have a galaxy s3 rooted stock jelly bean 4.3
I've been doing some mods recently (not my own just downloaded)
I've undone the most recent ones I've done as only recently the problems started
Haven't you done a restore via CWM as don't want to completely lose the changes I've made
But text messages are sending but always showing up as sending icon (not actually sent)
Any suggestions?
Thanks

Which messaging app are you using?

Contact+ but same thing happening with stock, I restored a backup using CWM which resolved the issue, now just to find what caused it


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How to recover deleted photo album saved on internal memory - Note 3
I have a Samsung Note 3 and I accidentally deleted an entire photo album from my phones gallery. I didn't enable my device to sync with Gmail. I didn't manually backup any of the data. The images were saved on my phone, not on the SD card. Is there any way for me to recover this deleted photo album? I Google'd and came across SDrescan but that won't work since the images were not initially saved on my SD card.

You can connect your phone to your computer using USB mode instead of MTP mode and use PhotoRec to recover media files

Considering you phone is always writing some kind of data to your internal storage, it's going to be a very difficult to recover them - at least not all anyway.
Unless something like PhotoRec can do it (as mentioned in the comments), I'd say they are gone for good.
An alternative, and probably a very expensive one, is to take it to someone who specialises in data recovery. Search for 'mobile phone data recovery' on Google and see what appears in your area. It may mean sending your phone away.

Yes, that is painful. Happened with me once.
You will have to root your phone in order to get the data back, but it usually only works if the root has been done before the incident. There are several softwares for different OS which enables us to do deep scan and fetch the data files from the phone which had been lost (You should be able to open the phone as a Mass Storage after that which makes it easier to scan for the software). One of the best software is Recuva.  Read this for more information.
Android storage works like a computer storage - every deleted file is still stored in a temporary storage until it is overwritten, but it isn't visible to us. It can be accessed by rooting your device + using certain softwares, but rooting should be avoided as much as possible. So if you think that these pictures are worth that, then check it out. Otherwise take precautions in future.
You can Install this in your phone. This application works as Recycle Bin and stores every deleted file in it and can be restored easily.

Android doesn't have a "recycle bin". If you delete something it's deleted. The reason you can recover things is a function of how the filesystem performs the delete. It doesn't (generally) overwrite the data you've deleted, and instead simply marks the space as "available" and removes the pointer to the file. Thus, until the data is overwritten, it may be possible to recover it.


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Cubot S208 Avoided Bad Internet Connection, How do I disable?
we're hoping somebody out there can help us with a new Cubot S208 smart phone we've just bought. We've been using it for a couple of weeks on various wi-fi networks and not experienced any problems until 2 days ago. We tried to connect to our home network which we'd connected to many times over the last 2 weeks but we got the Obtaining IP address message. This stays on the screen for ages, then the message says Avoided Bad Internet Connection. I tried out the phone on a neighbours wi-fi network (which has the same security type WPA-PSK with its own password), and this worked okay. We used it last night and it intermittently logged onto 1 or 2 different wi-fi networks in town, other networks we got the same error message as we're now getting at home Avoided Bad Internet Connection. So, here's what we've tried so far:

Took the handset back to factory settings
Tried connecting to our home wi-fi on its own (we switched off our wireless laptop in case it was causing the problem)
We deleted our home wi-fi connection and re-entered it on the handset

And today we're still getting the same error message when trying to connect at home. Our wireless router BTW is a Belking54g (not sure if that's the problem?). Does anybody have any suggestions what we can do to rectify this problem as currently we're not able to use the handset at home for internet now. One other thing; we don't have a SIM card in the handset yet (in the process of buying one).
We've seen lots of other comments online where other devices are getting exact same problem, and we've also seen some software online that suggets it can cure it but would appreciate some honest advice.
Really hope somebody out there can help us. Thanks for listening :-)

I've just sorted this problem. This device had been working perfectly on our home wifi connection until 2 days ago so I had no reason to suspect our wifi router. However I thought i'd check and somehow the device's MAC address had 'disappeared' from the MAC address filtering allowed list. How does that happen? Anyway, I reentered the MAC address into the router and it connected straight away. I suspect this might reoccur and I have no idea how it deleted itself from the list, however, at least I know how to rectify it next time.


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Download google offline map from PC?
I have an android device that has no internet connection.
Is there a way to download a google map for a certain region from my PC, and then copy this map to my android device so that I can use it offline there?
Specifically, I want the full map of Cuba, with all zoom levels.

related: http://android.stackexchange.com/q/81692/6813

You can not use Google Maps in offline mode according to its description. There are some tutorials in the Internet like these Google Maps Offline but are not recommended as it lasts only for 30 days in your device according to the tutorial. So looking at alternatives we have this app called Maps.Me which is totally as good as Google Maps. I have this app for myself. Try it.

I can second MANI (though I use a different app as replacement). Google Maps so-called "offline-mode" is rather a very limited fake. Luckily there are plenty of alternatives. For more, you're welcome to check my list on Navigation apps.


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New Nexus 4 download issue
I try to save a .mp3 attachment from an email in hotmail.com. it loops and drained my battery. It continues to loop even phone restarts. I forced it to stop via download manager. is it only my phone or is it some unfixed bugs in download manager?

Sometimes the download manager won't clear its cache, goto settings/apps/download manager and clear data (cache will be cleared as well). It won't erase any already downloaded items, but the items trying to download. If you can, run a logcat, to get an idea of what is going wrong. Good luck!!


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Where is the data for S Health stored?
I'm making a personal fitness tracker but I want to grab the days for sleep and heartbeat that gets stored on s health.  Where is this stored in the filesystem (maybe an SQL lite db)?


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How to automate post install setup
I've noticed recently that i spend quite a bit of time setting up various settings after a clean ROM install. I was wondering how could i automate this post install hassle.
Specificly im talking about CyanogenMod 11-M9 and Android 4.4.4.
I know the settings are stored somewhere when i change system settings but im not sure where exactly. And what are the possible solutions?
If the settings are stored in human-readabale text files then maybe it's possible to create update.zip that i can flash in recovery and that updates the nessesary files with my settings?
Or perhaps there is a way to create a script that i can run post install when i have set up preliminary things?
Or maybe i should just build my own ROM from sources that already includes my customized setting (tho this is problably too complex at first).
To clarify - im talking about system settings starting from setting up google account and ending in custom alarms. 3rd party app settings i can restore easily with Titanium Backup but it doesent seem TB is able to restore system settings (possibly because system is running at the time?).
I would be greateful for any tips on how to accomplish this.

I have yet to find anything like this myself. I can only envision doing something with the computer and something like ADB. But even then if you have incompatible "Settings" apps between ROMs or anything like that it would break. The whole setup could be very brittle as a result. I'll have a look into it, and I'll see if there are scripts about, but as it stands most ROM users are doing the Google Account / Titanium Backup dance each time. Unless, of course, you use a ROM not requiring a full wipe! E.g. Wanam Lite ROM.

'Or maybe i should just build my own ROM from sources that already includes my customized setting' This sounds prohibitively difficult for so little pay off. One thing you might consider if you're serious about this question is learning shell or bash, which isn't too difficult IMHO, and then create a script to automatically backup then propagate your settings. This may or may not work depending if they've changed the settings file between distros. Using a shell or python script is how I quickly propagate settings when setting up duplicate test servers at work.


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My device is not listed in Play Store
I have an LG P760. Until yesterday, I had an U8800Pro that was listed along with my P760 phone under my account. The U8800 is now the phone of my wife and is listed under her account correctly.
But, my phone is not listed. I have disabled the U8800 from my phones list but the LG is not shown again.
I have installed at least 2 applications via Play app in the LG but still Google Play store says that I have no phone connected with my account!
I also tried to Sync my phone with Google from Setting-->Apps-->Sync
Any ideas?

Well, delete all your google accounts restart your phone better re-insert the sim card. Go to gmail create your account again then try opening play store. If it doesn't work sync again! :)


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Silence notifications but not calls
During my night time, I would like to silence all app notifications, including text messages, emails and news alerts.
On the other hands, I do not want to silence calls. This is because calls after midnight are far less frequent than notifications, and they are probably intentional and urgent.
Is there a way to silence every notification except a phone call?

Yes you can simply turn off/reduce your volume to 0 for the notifications and only keep the ringer volume as required.
You can do this under settings>sounds(As you have not specified any os details or the device make or model I can only give you a common answer)

You can also use a custom "Do Not Disturb" profile now, which allows calls by anyone or just from contacts.

all_licenses: Creative Commons - Attribution Share-Alike - https://creativecommons.org/licenses/by-sa/4.0/


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Greenify blocked
I'm using Samsung Galaxy S4 rooted device.
I have greenify installed on it but I receive an orange error box on the bottom of the page saying this "auto hibernation service is being blocked by 3rd party tool or system settings (e.g.stamina mode in sony devi es. autostart manager in MIUI) Please whitelist greenify for automatic hibernation to work."
in setting I made greenify a device administrator but it didn't solve the issue.
any idea how to fix this?
for security software I have 360 security and it doesn't have any setting about white list (I don't think the problem is from 360)

Do you have the S4's "Power saving" mode turned on? You can find it in the quick settings in the notification tray, as well as the main settings app.

Does Power saver block greenify?

That's what the error message says.

Power saveing mode was off.

Are you running a third party ROM or the stock Samsung firmware? I've a rooted S4 here with Greenify and I've never seen that before.

I m rooted. Have cwm custom recovery . Never unlocked bootloader .

@RossC  do you know how to unlock bootloader for s4?  I have SGH - I337M   samsung firmware

I don't think there is an unlock for it, or at least I'm not aware of one. You shouldn't need to. Are you on the Stock ROM or did you flash a custom one?

@RossC No I didn't install any custom rom

Problem  solved. 360 security was crashing with greenify.if you open the main page of 360 security then memory booster on top right hand side there is a ignore list. Add greenify to ignore list and you will be ok. It seems greenify and 360 security do the same function and when you run both at same time 360 tries to hibernate greenify which causes this problem.


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Samsung Ace 3 - S7270 - Wifi and recovery mode problem
My Samsung Ace 3 does not detect any Wifi networks, and it cannot connect to Kies.

My wifi network is fine, and there are lots of wifi networks in the area, but my SGA3 does not detect any of them (my other phone does).
Kies does not detect my phone. It does detect other phones but not this one (same USB cable, same usb port,..).
I can access the android file system using windows explorer (phone + sd card).
I tried to go to download mode (Volume Up, Home, power off): it just shows an Android logo with an open chest with a keyboard. It stays that way for few minutes and the it proceeds to normal booting. (I tried pressing few buttons but it didn't work)

I went to Factory mode (Volume down, Home, power off): it had a bunch of tests I can run, when I ran the Wifi test it gives me a "blank" mac address:

What can I do? Please advise.


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Nexus5 identified as Media Player (Device), instead of Storage Drive, Windows 7
I've had the Nexus 5 for a few months, and exchange files between my PC and the phone using the USB cable frequently. I also charge the phone using the USB connected to my PC. Usually, the window pops up asking what I want to do with the device, which I ignore if I'm charging, or select Explore if I'm file-transferring. About a week or so ago, I noticed that instead of options, there were NO options on the pop-up, and just a "Do Selected every time" or whatever. But no options below. Until last night, I haven't had the need to transfer files, so I ignored it.
So last night, I closed the popup and looked in My Computer, and the normal Nexus 5 was nonexistent as a Drive. There was a Safely remove Hardware icon, so I selected it and chose Open Devices and Printers. There was my Nexus 5, under Devices, identified as Media Player under Properties. My only other options on right-click are Eject, Create Shortcut, and Troubleshoot.
I can no longer access my files. I rebooted both, checked the settings on the phone, called T-Mobile, then Google, then Iolo, my antivirus and whatever-else-it-does doer, to no avail. The kicker is, I plugged it into a buddy's computer hours earlier to retrieve a file, and it connected as storage immediately. I tried on my wife's laptop, and it does the same. So something had to have changed inadvertently on my PC, and I'm sure it's something simple, but it's beyond me.

When you connect the USB, and you swipe down the notification bar is there 2 options? Also try th eusual stuff: try a different USB port on your PC. Did you install anything recently that could conflict with the phone, USB drivers or such?

http://www.android.gs/download-and-install-google-nexus-5-usb-drivers-adb-fastboot/


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What options do I have to purchase a play store app for another account?
Recently my wife gave birth to our son and I purchased the tinycam pro app to use with my d-link DCS-932L as a baby monitor.
After some tests I was satisfied with the results and decided to buy the app for my wife's google account, so she can monitor our child with her own phone. It was a surprise when I found that google provides no simple way to achieve such a simple task.
My wife has no international credit card, and even if she did I would be reluctant to associate her google account with one, since she's very careless regarding account/password security
What options do I have to install the app on my wife's phone without adding credit card information to her account?

I was going to suggest have her create an independent PayPal account and use Google's Pay with PayPal, but I guess that isn't available in Brazil either.

Additional clarification: are both or either of your devices rooted?

Both are rooted

Another solution would be to buy some Google Play credit you enter the code you buy into your wife's play store, and you can use that balance to buy apps

I'm in Brazil which is not listed in the available countries, so I guess this is not an option for me

A solution could be to add your Google Account to her phone, disable all syncing (Gmail, Calendar, Contacts, etc.), and then install the app from the Play store from your account. I did this with my wife's phone so that I could use some apps that I had purchased but on her phone. Google Play currently has "no data move functionality available" source so transferring purchases is not an option.

That's not an option for me for the same reason I don't want to add credit card info to her account: I'm a computer security geek and she's the opposite of it. For example, it wouldn't surprise me if she installed spyware on her phone that would steal information from both our accounts

If the device that already has the app installed is rooted, you can pull the .apk file. This can be achieved a few different ways:

using a specialized app (such as AppMonster or Titanium Backup)
via adb pull if the ADB daemon runs in root-mode (it usually doesn't, but that can be achieved using adbd Insecure) src
Using a file explorer and granting it root access, and searching for the apk in your /data/ partition

DISCLAIMER: As long as you pull these files "for backup" but keep them to yourself, there shouldn't be any legal risks. Any other use may constitute warez. Using this method to install the .apk file to another device is at your own will and risk.

I have a root explorer and can send the apk via Bluetooth, but what about license checks?

Because of how this is verified differently (ie. An additional unlocker.apk, adding LicensingPermissions only, or a custom ServerManagedPolicy), you will just need to try for yourself. Given that you've refused all other methods, your choices are already limited.

Good question, there is no gift system in google play like Steam has. This app has a free version limited to 4 simultaneous cameras and 30 secs audio, try that one. If she really needs the full vesion, you can register your pay method, but each time you CHANGE one payment method to your google's account they discount 1,5 USD from you credit card so take that in count.

If the app is available from Amazon's app store you can buy the app on Amazon from a PC and then install the App on the phone from Amazon's app store app.

There are various ways through which you could buy a premium for other users you wish

You can buy some credit through the Google Play Gift Card as John has suggested although its availability is limited (i.e. If Google Play gift cards are not supported in their area then it would be waste of buying the credit).
Some applications also have the "pay for other's" feature like in whatsapp. Through this if both the users are using and you wish to make another user a premium then you can go in for this option. This option is normally available under the settings.

Good part - this feature is not geographically limited.
Bad part - both the users need to use this software.

Download BlueStacks on any desktop or laptop. Login with the other person's account (your wife's Gmail account). Select the app from my apps and you can purchase it.

Good part - You don't at all require any android operating device. You can download it on any windows operating System.(correct me if I am wrong on this )
Bad part - Although Blue Stacks works perfectly for almost all the apps some applications may not work properly(depending on your machine's hardware limitations) and does not support any OS other then Windows
Update:-here when A has downloaded the blue stacks he will install
the tiny cam app for which he has to purchase it. As A has signed in
using his wife's account all the purchases will be made in the name
of the account holder i.e. his wife not on A so on doing so
automatically the purchase is made on the wife's email id. Later when
his wife will open the play store the application will be
automatically installed/updated as a premium.

I couldn't understand what BlueStacks is about by reading the front page you linked. Can you elaborate?

BlueStacks is an android emulator - you can install and run android apps on a windows machine.

But how will TinyCam appear in his wife's My Apps page if she didn't even purchase it?

@aure Please don't be foolish  here I have clearly mentioned that using blue stacks you can use Android apps on your desktop machine which means that you can download the application on behalf of your wife. Later when your wife opens the play store the applications are updated /synchronised automatically.

in short whatever apps you have installed on your desktop through bluestacks software will later be displayed for you to install it/ gets updated automatically.

@ThiadodeArruda I have  updated the answer for a clear understanding  plz check it

I still cant understand how that will help me. Even if I add her account to a BlueStacks VM, I would still need to associate credit card information(with her acct) in order to purchase, right?

@ThiadodeArruda no not all after adding you can use a gift card from the retailer and use it for your app

authors: Φώτης Τσακίρογλου


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How to jump to next chapter when playing back videos?
I'm trying to play back .mp4 videos that have chapters embedded in them. They play fine on desktop players like VLC, and on my iPod, but I can't select/choose/jump to these chapter markers on Android.  What am I missing?

What video player are you using? If it's one that came with your phone, you'll also need to tell us what phone you have.

There is VLC for Android available at F-Droid.

VLC is available at Google Play.

It's likely because the player app you are using is not aware of the embedded chapters.  I recommend searching Google Play Store for video player apps that support this feature.
A quick Google search points to Simple Cinema and XBMC (not on Google Play).  I have not tried these personally, but this should start you off in the right direction.

Try to use VLC for Android.   :)


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Change the screen size and dpi
Is there a way to make Android think it has a different screen size and dpi than what was programmed in its factory settings?
I'm asking because we bought a 7-inch tablet recently, and its interface is too large for a 7-inch tablet. I installed System Info Droid and it confirmed what I suspected: The tablet thinks its screen is 4.86 inches with 192dpi.
Is there a way to fix this and tell it its screen is 7 inches and 133dpi?
The tablet is Genx GX7-3GS running Android 4.2.2.

There are several apps dealing with DPI settings (for some examples, be welcome to my list on Display Settings Apps). But to change density, you will need root access.

You can change. First ROOT your device.
Using file manager go to your root directory. Open folder named system. In that open file named build.prop using text editor.
Search for option called lcd_display= (after equals to enter your default DPI value) and save file.
Now reboot. Done.


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How do I get text messages from broken Samsung Fame
dropped phone grrr.
Screen cracked, it lights up but, I can't swipe the screen. I have linked to Kies, got my Contacts over, But, I can't seem to find Texts/sms. Any help greatly appreciated.
Sue
Samsung Galaxy Fame.

Have a look at this page. It tells you how to backup your SMS messages using Kies. This allows you to load your messages on to a new phone.
An extract:

Step 3: Click on the Back up/Restore tab. Here you will see a list items that you can backup from your Samsung mobile device.
Step 4: To backup SMS from your Samsung mobile device, click on the checkbox beside Message and click on Backup.
Step 5: Wait until Kies finishes backup Samsung text messages. You can find the backup location at the bottom of the screen.
Step 6: Click on Ok. That's all you have to do to take backup of your SMS from Samsung mobile device.

Whilst this may theoretically answer the question, it would be preferable to include the essential parts of the answer here, and provide the link for reference. Otherwise, your answer becomes useless in case the link dies.


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Installing command line apps
I have an unrooted Samsung Galaxy S4 Active running Android 4.2 Jelly Bean. I have installed the Terminal Emulator and am wondering how to install apps to the command line.
Is it possible for me to install applications such as alsa-utils or cowsay like you would with a normal Linux machine. At the moment there isn't much you can do with the terminal that's of interest.

You can find a folder which is writable by the ADB user and put ARM binaries there. I recall that /data/local/bin is such a place. Then you can include that folder in the PATH variable.
You can compile your own binaries (I don't know how and even if I did explaining that would probably fill a page or two here) or  grab them online. Take a look here, you can find a lot of useful packages.
If you like to play around in the command line, and you know what you're doing, you could consider rooting the phone. That would make it possible to install busybox easily into the /system partition, and allow more to play around with in general.


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Help Needed. Cam/PC link
Hello fellow enthusiasts,
I am in need of help and would be very thankful to anyone who can take a few minutes and help me solve this issue.
Here is my problem.
I would like to open a Youtube channel and I want to have a facecam in an upper corner(you know, like gaming channels usually do while gaming) but have no camera. What I do have is my Sony Xperia Z1 Compact. Please tell me(with a decent explanation) if there is a possible way to record videos with my phone but save it directly on the PC hard drive so I can later use it when editing. Saving it on my phone and then moving it on the PC later is not an option. Already tried IP CAM and other similar apps but I am not satisfied with the results.
Thank you in advance...

Spent the last hour looking for an answer to your question,  think I got a solution for you. The app "PlayTo Universal" $4.99/US and "Cast2TV-PRO" $2.99/US, both available from play store will stream directly to the PC from your android. They should work for your "game face cam".
Good luck!!


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What ROM could be used on an HTC Desire bravo with non-functioning physical buttons
I have a HTC Desire (bravo). Currently I use it with the old Oxygene ROM. Basically It's fine, but the physical buttons (menu, back, home) are very hard to press. Sometimes it takes more than 5 hard presses until it reacts. There might be other ways to fix it (maybe fixing the buttons or just cleaning them?) but being a software engineer I thought that I might be able to find a ROM that can be used without those 3 physical buttons (just like the newer phones usually don't even have those physical buttons) What ROM-s are worth to look at?

You might wish to check Where can I find stock or custom ROMs for my Android device?

You can install the Xposed framework on a rooted device.
There are numerous modules that will enable softkeys on the device. Have a search in Xposed in the "Downloads" section for "softkeys".
One example is here and it has the Android L style soft keys. In case the article goes down here's the XDA thread with the apk


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Listen to Address Resolution Protocol (ARP) packet
Can an Android application generate or listen to ARP packet without root privilege ?

Thank!

What is your goal?  Do you want to read packets?  In that case, use tcpdump with adb shell.

Yes. I want to read or generate ARP packets. Thanks for your advice :D

@IAmTheSquidward I need an android lib, which can do that job not adb shell


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Moto G won't detect sim card
I recently bought a 8 GB Moto G Unlocked. When I try putting in the sim card into the phone the phone doesn't seem to detect the sim.
Any solution?

nachouy44 asks for clarification (but lacks the rep to post a comment himself): Could it be the SIM is broken? → you might verify that with a different device. Could also be an issue with the contacts not connecting correctly.

This model is a lemon. I bought one this past winter. After about 6 months it stopped recognizing SIM on daily basis. I sent it in for replacement. Replacement worked for about 8 days. I guess I'd be better of spending my money for a brand name phone.

Do you know which GSM version that your model is? Certain devices are only compatable with certain carriers. I know that the US-GM is compatable with only AT&T and T-Mobile bands, while the Iternational GM is compatible with AT&T(in America).


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How to flash Android onto an empty Samsung GT-P3100 (OMAP4430)
I'm about to purchase a replacement motherboard for a Samsung Galaxy Tab 2 7.0 (GT-P3100) as the original one has developed a hardware fault.
Unfortunately the sellers (eBay) won't say if Android (or anything else) is preloaded on the boards.
So assuming that the boards come completely empty, how can I flash this board?  Would the OMAP4430 be configured so that it follows a boot sequence similar to the one described on OMAPPEDIA.  For example, could I load ClockWorkMod via a SD card or USB?
If USB is included in the boot sequence, what tools would I need to flash the system?


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Samsung Galaxy S5 Mail download size problem
I think I've came across to some sort of bug in Samsung Galaxy S5, (SW-G900W8), Android 4.4.2, (Kernel 3.4.0-1947824).
The problem is, after the mail account being setup correctly, the default mail client on the phone will not download all the mail but only the headers.
The "MAxEmailBodyTruncationSize" setting on the exchange server was set to 50KB , 100KB and unlimited but it has not solved the problem.
Another samsung phone (not the same model) gets the settings correctly (50KB, 100KB, unlimited respectively).
SO I'm pretty sure this has nothing to do with the server. Do you have any suggestions? Other than maybe using another mail client on the phone?
Thanks,

We had the same issue, and also tried setting it to "unlimited" without that solving the issue. We think the S5 is reading in bytes and S4 in KB. Finally, entering the limit in bytes solved it for us.
Can you try to put 1000000 in the limits and re-create your account on the S5, what choices of limits to you have while setting up your device at that moment?

In case anyone is still looking for an answer, hopefully this will help out. All our S4,s, S5's and S6's had the same issue but only for the built-in AS client and only for those running Lollipop. So I did some testing and found something interesting:
The old set-activesyncmailboxpolicy is deprecated in our up-to-date E2013 servers. That command set the size as a straightforward number of KB i.e. a plain number with no qualifier. However, it appears the policy format has changed along with the editing command and it now takes a size qualifier of GB, MB or KB, with unqualified numbers now meaning plain Bytes. That suggests that the AS client in Lollipop is actually being quite strict as to how to read the new style, whereas Touchdown and Outlook clients seem to assume that unqualified numbers = KB as before.
So it's not really a bug, rather MS not thinking about backward compatibility as hard as they should have (how tough would it be to allow a B qualifier and assume unqualified was KB on all AS policies?). So all you need to do to 'fix' the issue you need to edit all your activesync policies with the new command and make sure to use an appropriate size qualifier. Btw - I've no idea if this applies to older versions of Exchange.
Example (for the Default policy - rinse & repeat for any additional ones):
set-mobiledevicemailboxpolicy -Identity Default -MaxEmailBodyTruncationSize 200KB -MaxEmailHTMLBodyTruncationSize 200KB

This is how I would fix the problem on a Galaxy S4.
Open up the following menus in your phone (with the S5, they may be slightly different):
Settings
Accounts
Email
Settings
Primary Account
Sync Settings
Size to retrieve emails
Within this menu, you should be able to adjust the settings (on your phone) for "Size to retrieve emails" and "While Roaming". Make sure both of these settings are set to download more than "Just Headers".

No, the settings can not be changed (I know how to change them), the only option is "Headers Only" whereas on most other phones it lists all the options. 5K, 10K etc etc

Well good luck with the S5. I'm sorry I couldn't help ya.

This is likely a bug introduced in one of the latest updates to Galaxy S5.
The functionality was working before for my phone: emails downloaded and you could set the size, but it stopped working during the summer (and I remember there was a system update downloaded).
I'm also using Exchange email on my Galaxy S5 and see the same symptoms (headers only downloaded, cannot change setting from Headers only). I have a second IMAP account configured, and that works normally (you can change the settings and message body is downloaded).
Unfortunately I haven't found a fix to this bug.


text:
Hoping for a custom recovery (CWM or TWRP) for galaxy tab 4 10.1
I was hoping to tweak our tab like my s3 mini, but I can't find recoveries for it and came to the conclusion the device is still too new?
There certainly are tab 10.1 things mentioned but I'm assuming these are first generation tabs?

There are custom recoveries for your device but they are only available for the Wi-Fi only Galaxy Tab 4 10.1-
TWRP (SM-T530), odin/heimdall flash
CWM (SM-T530), odin/heimdall flash
**


text:
Lost tablet - No SIM, no google account, no tracking software, can I track it?
A couple of days ago, I lost my dear Android tablet. I dont know if I have left it somewhere or if it in fact was stolen :/
It does not have any 3G module, and hence no SIM, inserted. I haven't logged into my Google Account on the tablet. And I have not installed any tracking software.
The tablet have a GPS installed. Is there any way to track the tablet using only the serial-number?

Yes. You report the loss or theft to the police, and give them the serial number. (You'll need proof that it was yours, of course.) If someone finds it and hands it in, or if it's recovered from the thief, then they know it is yours, and will return it to you.
That's your only option. Since you haven't signed into your account on the tablet, as far as it's concerned, it doesn't belong to you. You can't remote-deploy tracking software onto it or enable Google's Android Device Manager. The GPS itself doesn't help you at all: it only tells the tablet where it is, not anyone else.

I know it's bad form to answer questions that you're VTCing. Sorry, I wrote the answer before VTCing.

You also forgot the options of the thief feeling bad and just returning the tablet, or the owner finding it by chance ;)

@Chahk Well, neither of those ways use the serial number, so they don't match what the user asked for :-p


text:
Why date/time automatic adjustment didn't work?
Recently I went to Italy and bought a pre-paid TIM chip to use while there, because it was much cheaper than the ridiculously high prices of Rogers' roaming.
However, something quite puzzling happened. Whenever I changed batteries (I don't recharge my phone, I change battery to a full one and put the other one to recharge on an external charger) I would lose my date/time, it would reset to 1/Jan/2000. Manually setting it worked, but it was a bit annoying.
I didn't understand why the "Automatic (Use network-provided values)" setting didn't work. I was assuming that the phone would use NTP, and once being able to resolve DNS it should adjust the date/time, but it never did.
Doing some googling I found about NITZ, which apparently Rogers uses but Italian's TIM doesn't. My questions are:

is this the reason why automatic updates didn't work?
is there a way of changing these configurations? (use NTP instead of NITZ for example, or some other configuration that would make the automatic update work, other than installing an app)

Most likely.
If your phone is rooted, you can install an app that will sync the clock using NTP. (Just search for NTP on Google Play: there are many such apps.)

BAT500 is capacitor which hold charge when battery is removed. If capacitor discharge fast then time change to 1 June 2000. I am not sure that problem is with capacitor. You can check for it.
When you connect to network. it take local time zone. So I do not think you need to change NTP protocol.


text:
Internet becomes abeyant gradually on phone usage
Observed this problem in the following devices:

Samsung Galaxy Tab 2 GT-P3100. - Android JB.
Samsung Galaxy S Duos 2 GT-S7582. - Android JB.
Sony Ericsson Xperia Mini Pro Sk17i. - Android ICS.

When the phone is new or, fresh factory reset, the mobile Internet connectivity is really active. This means, messages in WhatsApp, email notifications from GMail occurs properly in time. But gradually on usage, say 2 - 3 months, these apps take more time to notify new messages when the screen is off. When the screen is ON, messages are received instantly.

Observed only in mobile Internet. (H+ or H - WCDMA auto mode).
Not observed when in Wi-Fi.
Facebook notifications are in-time and this problem is not observed by the app. Only WhatsApp and GMail tend to suffer.

What could be the problem? Any suggestions?

Are all the devices on the same carrier? That could well be the common factor here.

No, different carriers. And the first two HSPA+ and the third one EDGE.


text:
Internal space near full but shouldn't be and not according to other stats
So yesterday i was seeing how many apps i have installed and i noticed this...according to which only 248 MB is free. Which looks wrong to me too.

But that is not the case according to storage analyser app...and which i also think should be the case as i know what i am installing and keeping eye on space a certain app takes.

...you can also see it's the same thing (as storage analyser app) in my computer!

So how come..? is it a problem, and what can i do to fix it?

Your SD card/external storage spaces are not your internal app storage. You're looking at two completely different storage areas. Comparing those numbers is meaningless.

sdcard1 is internal storage no?

It's not app storage. It's internal media storage, for music/pictures/etc. Apps are not installed to sdcard0 or sdcard1.

Apps and their data are stored on a different partition (/data) from media (/sdcard0) and removable storage (/sdcard1).  If you are rooted, you can use an app like Disk Usage to check what's taking up space on your internal memory.

in my phone sd0 which is bigger is removable one...and sd1 is that stays with phone.

and whats a difference between disk usage app and storage analyser.

They have basically the same purpose, but you must understand that your phone storage is divided into lots of parts. The only part visible to you, as a normal user, is sdcard1. Apps are on a different partition (data).

ok i found data folder that you said is internal storage. So yea that is almost full...so how can i increase this partition.

@MuhammadUmer Check some of the questions under the [tag:insufficient-memory] tag.  Some good advice there already.


text:
Can "find my phone" still track my Samsung Galaxy S4 after factory reset?
Just lost my Samsung Galaxy S4 this weekend. If the thief has removed the SIM card and reset to factory mode, does the "find my phone" app still work or does it also get removed?
Been trying to track it but nothing happens. Can I find it if the thief has put his information into the find my phone app that comes with the device?

No, the app will be removed along with all other apps and user data. If you root the phone, it's possible to install a tracker as a system app, such that it will only be removed if the thief flashes a new ROM, but any app you install from Google Play or another app marketplace won't be able to do that.


text:
Cant access my samsung galaxy tab 3 for kids as my google account is blocked
My son has blocked my daughters Samsung galaxy Tab 3 for kids.  It wont recognise my google account as it has exceeded the 5 tries. I have tried holding down the home, sound and power buttons and the little man appears but I don't get any msg about factory reset. Can anyone help?

You might want to look at this answer which may help you to get back in without factory resetting.

How to hard reset:
Warning! All data will be lost! Use this at your own risk!
1.Turn off your tablet
2.Push together volume up + home key + power key until Samsung logoo appears
3.Select with volume key "wipe data" and push power key to confirm
4.Select "yes" and push power key to confirm
5.Wait until format ends
6.Push power key to confirm "reboot"
7.Wait until the tablet restarts


text:
Samsung device not detected in ubuntu 13.04 all of sudden
Maybe my question is duplicate, but couldn't find the answer to work for me.
I've a samsung grand neo device which I am using for dev purpose.
It was working fine before, I could transfer file. Also I was using from android-studio once I configured dev-rules.
/lib/udev/rules.d/99-android.rules
  1 # samsung "04e8"
  2 # others "18d1"
  3 SUBSYSTEM=="usb", ENV{DEVTYPE}=="usb_device", ATTR{idVendor}=="04e8", MODE="0666"

and /lib/udev/rules.d/91-permissions.rules
  1 # usbfs-like devices
  2 SUBSYSTEM=="usb", ENV{DEVTYPE}=="usb_device", \ MODE="0666"

All of sudden, I can't connect to the device, samsung device tells me Connected as a media device and MTP is checked on.
With usb-devices command, I can see the Samsung device,
...
T:  Bus=02 Lev=02 Prnt=02 Port=01 Cnt=01 Dev#= 18 Spd=480 MxCh= 0
D:  Ver= 2.00 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs=  1
P:  Vendor=04e8 ProdID=6860 Rev=04.00
S:  Manufacturer=samsung
S:  Product=GT-I9060
S:  SerialNumber=4203bc03c21a7100
C:  #Ifs= 4 Cfg#= 1 Atr=c0 MxPwr=500mA
I:  If#= 0 Alt= 0 #EPs= 3 Cls=06(still) Sub=01 Prot=01 Driver=(none)
I:  If#= 1 Alt= 0 #EPs= 1 Cls=02(commc) Sub=02 Prot=01 Driver=(none)
I:  If#= 2 Alt= 0 #EPs= 2 Cls=0a(data ) Sub=00 Prot=00 Driver=(none)
I:  If#= 3 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=42 Prot=01 Driver=(none)

...

Also, result of lsusb gives me,
Bus 002 Device 018: ID 04e8:6860 Samsung Electronics Co., Ltd GT-I9100 Phone [Galaxy S II], GT-P7500 [Galaxy Tab 10.1]

It sounds like ubuntu can see your device, but Android Studio (AS) can not. Did you update your version of AS?

"I can't connect" What exactly happens?

Shame, ubuntu restart worked fine.


text:
Samsung Galaxy 10.1 2013 frozen in odin mode
Granddaughter playing game on tablet and assume she pressed on power and volume at same time It had the Samsung Galaxy 10.1 verbiage across the screen. I tried to press the power and increase volume button as I had done before on the Motorola Xoom, big mistake from what I read in forums. It is now stuck on the ODIN MODE and says: Downloading...Do not turn off target!! with the Android symbol above it. Help!!

Hold the volume up and volume down at the same time then press power button. Hold for a few seconds and unit will reboot.

This warning is only meant for people to not turn off the device during the flashing process.  If you did not start flashing an image to this tables, and don't plan to - it's perfectly safe to power off the tablet.
Holding the Power button for around 10 seconds should cause the tablet to turn off.  You can then turn it on normally again, without touching the Volume buttons.


text:
Chat Bubble for WhatsApp Messenger
I was wondering if it is at all possible to get chat bubbles(similar to the ones used on facebook messenger) for whatsapp messenger on my nexus 5. Is there an app I can download, or a process that will allow me to get chat bubbles like this for whatsapp?
These are the chat bubbles I'm talking about (the little heads)

You can install the app Whatsapp Chat heads I am not sure if it runs on Nexus 5, or that it shows Chat-heads or just the name of the chat.

Who is the designer of the app? Dregens Teknoloji?

Dunka, you can install my app, WhatsBubbles, which provides a nearly identical user experience and allows users to preview, open and respond to conversations.
Give it a try!

Please confirm what relationship (if any) you have with this app: it's OK to recommend your own app on this site, provided you're honest about it.

Yes, I am the app's developer. I did not mean to be deceptive, I am just trying to promote my app. I will update my comment.

Try this app:
https://play.google.com/store/apps/details?id=com.stallware.dashdow.whatsapp.lite
and see this article:
http://trendblog.net/how-to-get-chat-heads-whatsapp-android/


text:
What is the default chinese font in Android?
What is the default Chinese font in Android and where are they stored so that I can get the font files?

On Android 9 it's Noto CJK, e. g. "Noto Sans CJK JP" font family (located in /system/fonts/NotoSansCJK-Regular.ttc). There is no DroidSansFallback.ttf anymore.

I believe the font is called Droid. A few variations (sans, sans mono, serif, condensed) are available from DroidFonts.com, though it should be noted that Droid Sans may be the only to contain Chinese characters.

Each of the Droid fonts was custom designed by Ascender and optimized for on-screen legibility with the Android platform. ...
[Droid Sans] contains over 43,000 glyphs and includes support for Simplified Chinese (GB2312), Traditional Chinese (Big 5), Japanese (JIS 0208) and Korean (KSC 5601). This font uses the Simplified Chinese ideographs for shared Unicode code points.

Droid is a family of fonts and your usual droid font doesn't have Chinese. Particular Droid font that has Chinese is DroidSansFallback from the answer below.

Fonts are always stored at /system/fonts. By changing the system font to Chinese, and looking in that directory, you may be able to find the font.
Hope this helps.

The name of the font is DroidSansFallback.ttf it is located in /system/fonts/
Link to official droids page Droid fonts family

Support for CJK is provided by the Droid Sans "fallback" font. This font contains over 43,000 glyphs and includes support for Simplified Chinese (GB2312), Traditional Chinese (Big 5), Japanese (JIS 0208) and Korean (KSC 5601). This font uses the Simplified Chinese ideographs for shared Unicode code points.

There are no other font with Chinese in a regular western Android phone therefore DroidSansFallback.ttf is used to display Chinese.

Welcome to Android Enthusiasts! This post does not contain enough information to be considered an answer. How did it solve the issue? Where to find it? What are the steps to perform? Please use proper English to the best of your ability. Consider following this guide: How do I write a good answer

authors: Шавкатбек Исмаилов


text:
Is there a way to determine whether upgrading to a newer version of Android OS will slow down my device?
Is there some way to test whether my device is ready for version xyz of Android (i.e., how much it will slow down the device?
Or some sort of table of how much slower each version of Android has become.

Installing the new version would be a way to test. Alternatively, you have to rely on hearing from other people who've done that, but to get that kind of information, you need to tell us what phone you have and what version you're thinking of upgrading to.

In my limited experience, I've not been able to uninstall OS upgrades to my android phone.

Well, no there is no any test which could help you in determining, and yes one more thing OS upgrades make your device faster rather than slower. So I am sorry but I don't think that there is any use  of asking such question. Flashing ROM other than the stock ROM can results in decreasing speed or other similar problems but I don't think that downloading and installing the OS upgrades received directly from the vendor will slow your device down, because before feeding those ROM over the air they perform a number of test to give your flawless experience.

There is no "test" to my knowledge like there was for windows. However, to ensure the best results from an upgrade I recommend factory resetting your phone after you back up your information. This will ensure no third party app incompatibilities with the updated software.


text:
Making Android not respond to connecting headphones
My android (Galaxy sII, CM9) has this thing where if I connect/disconnect headphones (either audio jack or bluetooth) it responds to it. (Like turns the song on or off.) I use Poweramp for music.
The idea is great but the execution is horrible. It tends to just turn on random audio files in my phone that I don't want to hear, or just switch songs arbitrarily, lose the point in a podcast that I'm at so I have to reopen the file and find the point again, etc.
How do I cancel any and all Android responses to connecting or disconnecting headphones? I don't want my phone to do anything when I connect or disconnect headphones.

You can make this happen by going in poweramp settings->Headset/Bluetooth an uncheck
Pause On Headset Disconnect and Resume on wired Headset and that should be it


text:
battery drain- Panasonic T 41
My battery drains every 2 min when I use else remains constant. Takes 3-5 minutes to step a point of charge. Battery usage states WiFi taking 32 and idle as 32 percentage whereas my WiFi Is off
Android KitKat 4.2.2

Your question is very confusing. Your battery drains when you use what? Wifi takes 32% when on and idle takes 32% when WiFi is off? What about the idle usage when WiFi is on?

Well, that may be happening because of bugs. I would say why don't you try testing your battery. You need to remove your battery and put it over the flat surface and then try spinning it, if the battery spins freely then the battery is swollen and needs replacement. I think you should first try checking your battery out.


text:
What is in "Other" when looking at Storage
My HTC Desire 500 is constantly telling me that I have no space for updates. I've cleaned out all cache; am using SD card for storage; yet when I check the storage it shows 2.89GB in "Other".
I can't get in to find out what this is.
Can anyone help?

It just simply means that the memory i.e 2.89GB is available over your external storage, and yes the reason why your device is showing you that you have no space available because its looking at the device internal storage. I would say to fix this error try moving all the music, videos, apps(if its available for you) to the SD card this error will fix up.


text:
How do I set a max allowed volume limit?
On iPhone I could set a maximum volume limit so I wouldnt be able to put my music too loud accidentally. How do I do this in Android? I dont seem to find the setting in the volume menu.

"navigate to System -> etc -> mixer_paths.xml. Open the file in the text editor, then locate the text . By default, the headphone volume level is set to max out at "84." Edit these values to whatever you want" as per http://oneplus.wonderhowto.com See if that's true for your device as well. Also, which Android device and version are you using?

If you are referring to the headphone output rather than the speaker, then you could use an app such as "Headset Button Controller" Link to Play Store Trial.
I have the paid version on my phone, and I like it a lot.  It allows you to set up button controls for various apps, but it also has a nice feature that allows you to set the default volume when you plug in the headset.  You can set the minimum and maximum, also, but this would only work with a headset like the iphone's, with volume control that controls the phone.


text:
How do I reset the input language to English when I can't read the current language?
I have a Nexus 4 with the latest OS.
I accidentally set the input to Arabic.
Now I don't know how to reset to English.
I tried re-booting but it did not revert to English.
I would like to avoid a factory reset, if possible.

I discovered how to do this.
The icons for the various functions remain the same.
I went into

Settings (cogwheel icon) then
Language & input (white square with black A)
Top item in this menu is Language

I tapped this item and was presented with the normal list of languages,
each in its own font.


text:
Cell standby use about 35-50% of total battery?
I have Micromax canvas 2.2 a114.
I am in strong network zone and use 2g internet all time and time without network is 0%. So why it is consuming more battery. I also never in weak signal.??

What matters is, what is your total battery life, if your phone lasts 2-3 days, then 30% is reasonable, however if it only lasts 8-10 hours, then it isn't.
If it is the latter I would recommend clearing your cache (and davlik cache if you can) and or performing a factory reset and seeing if the problem persists, also try using a different sim card on another network.

It is is d for 7 hours.happened with all sim cards.

I would try the steps I have suggested, also I would recommend testing your battery capacity with nova battery tester (it should be 2000mah)


text:
Is there a USB only file sync tool?
I've been looking for a tool that will sync to/from an android device running Android 4.4.4 - so it's using MTP when I connect to my computer (running Windows 7) through a USB connection.
There are various options that require a drive letter, but MTP doesn't have those.
There are various options that use wi-fi and a through-the-internet solution, but I don't want to use the internet for this, I can copy files by hand so there must be SOME way of syncing.  Also, I want to use it with pretty big files so I was hoping there would be something that used file deltas. If I wanted to go through the net I would consider RSync, but I don't want to.
Ideally I would prefer something free and open source, but I can't find anything at -all-... Am I using the wrong search terms? (android, sync, usb, mtp, "open source", mix as desired.)  There are lots of similar questions on here, but as far as I can see they're all answered with a wi-fi sync tool instead of something USB specific.

rsync isn't just for internet connections: it works on mounted filesystems too. I don't understand why it doesn't fit your needs.

What phone do you have? Likely the manufacturer's software suite can do this.

I have a Nexus 7.  I wasn't aware that rsync could be persuaded to work without an internet connection - could you provide some more details on that please? Perhaps as an answer, in which case I may accept it if it turns out that it actually does meet my needs?

rsync just works like cp for basic use.


text:
How do I enable sticky keys for a Bluetooth Slide-out Keyboard on Android 4.4.2?
I've got a slide out bluetooth external keyboard for my Samsung Galaxy S5. It's currently rooted and is running OmegaDroid as my ROM. I'd like to make it so that my modifier keys are "sticky", in that when I click the "shift" key, the next letter I type with be shifted. Right now, I have to hold the shift key down in order for the letter to be capitalized, and it is driving me up the wall. I much prefer the Droid 4 way of handling the shift key, as you don't have to do weird finger combinations or reach with your other thumb to get a letter to capitalize.
I'm totally rooted, and I'm happy with backing up my phone to try crazy things, as long as I can get this thorn out of my side :D.
Thanks!

I figured it out and verified that it works.
Basically, you need to use a Character Map that has a type of ALPHA. This should make it so that the modifier keys, SHIFT in particular, behave the right way for thumb typing.


text:
how can we clear whatsapp conversations in our contacts
I have a doubt on whatsapp msgs.my frd msg me on whatsapp I seen the whole coversation.on the next day I didn't find any conversation in my phone.I face this situation from couple of my frds.Is it possible to delete the conversations from other cells reply me quickly.

We have a lot of visitors whose first language isn't English. To help most people understand your posts, please use full words, not "txtspeak" abbreviations.

The WhatsApp FAQ has instructions that should help you:

To delete a single message from a conversation:
Open WhatsApp and go to the chat window with the message you want to
  delete. Highlight the message. Press the 'del' key on your keyboard.
To delete an individual or group chat:
In the  Chats screen, highlight the chat you wish to delete. Press the
  button and select Delete chat or Delete and Exit Group.
To delete your entire chat history and remove yourself from all groups:
Go to WhatsApp >  Settings. Scroll to the bottom and select  Advanced
  Settings. Press the  button and select Delete Chat History.
NOTE: Using Delete Chat History will delete all chats from the Chats screen, as well as remove yourself from all groups.
To delete all messages in a conversation without closing the chat window or leaving the group
Open the chat. Press the  button and select Clear conversation.
To clear all chat history, but continue to participate in groups:
Go to WhatsApp >  Settings. Scroll to the bottom and select  Advanced
  Settings. Press the  button and select Clear All Chats.
NOTE: Using Clear All Chats will not remove you from any groups.

If you find information elsewhere, you must cite your source and give proper credit to the original authors. Please do so in the future.


text:
Cannot connect Samsung Galaxy Tab S 8.4 SM-T705 to computer vis usb
I'm trying to connect my Samsung Galaxy Tab S 8.4 SM-T705 with Android 4.4.2 to computer via usb - but there's no effect. Fun thing is that I was able to do it a week ago.
Connection of flash card to usb port also fails - device doesn't appear in Settings->Device list.
What can I do to detect problem?

Does it charge when you plug a usb charger in?

Or, another question might be, does it charge when you plug it into the computer port?  Make sure the hardware (cable and the port) is working before installing software.

Follow these instructions:

Connect your Galaxy Tab using a USB cable to your PC.
If you now click on "Computer" the various drives will show but at this stage your Galaxy Tab will not appear.
Right-click on "Computer" and click on "Properties", then select "Device Manager".
Now you will see "Galaxy Tab" under Portable Devices, but it will have a small yellow exclamation mark in the icon to indicate that the device is not functioning. Don't worry.
Right-click on the icon and select "Update Driver Software".
Now click on "Search Automatically for Updated Driver Software" and you are done. You need to be connected to the internet during the process.
Now open "Computer" on your PC and you will see Galaxy Tab as one of the Portable Drives. If you have already installed a SD Card in your Galaxy Tab, this will show up and you can perform all the usual operations to transfer, delete, add, and more, from PC to Tablet.

Make sure that the SD card has been correctly formatted after you insert it into your Galaxy device.

My PC could not recognise my USB port from my SAMSUNG GALAXY TAB S 8.4 TM-705
My external SD CARD inserted in the tablet could not be recognized by the tablet drive system, so, I came here to read about and later
I found "USB OTG HELPER" on Google Play: https://play.google.com/store/apps/details?id=net.shajul.usbotg
and it worked instantly showing off my tablet name on MY DESKTOP list of drives on my pc.
PORT USB CARTE EXTERNE PAS DE CONNEXION PC ORDINATEUR PAS RECONNU GALAXY TAB S 8.4 TM-705 KITKAT

I got the same problem, currently fixed it by downloading
"All Drivers for Android" application by hexamob from the Play Store.
Open up the application and then plug in your usb.
This will either download drivers or you will see
the usb connection on notification bar.
hopefully this helps.

GUIDE TO ENABLE DEVICE RUNNING OF APPLICATION
Note: I tried this on my phone.
Note: Follow Google's Android instructions to better follow the steps below.

After downloading Android Studio, update it.
Install Google USB driver: Go to SDK Manager -> SDK Tools -> tick Google USB driver -> click Apply.
Plug in your device.
Go to Computer, right-click -> select Manage.
Choose your device, right-click -> select Update Driver -> choose manually.
Select browse. It is found at your SDK path\extras\google\usb_driver.
If you don't know your SDK path, go to SDK Manager to find it written. Look for Android SDK location.
Click Next.
Go to your device, go to settings. Click Developer Options. Click Enable USB debugging.
Return, click Run.
Choose your device.
Enable adb integration if requested.
To enable it, go to Tools -> Android -> click the checkbox beside Enable adb integration.


text:
Photo counter reset
I have Android 4.0.4 on my Sony Xperia Ion (LT28at). It never saves photo counter - everytime I empty DCIM/100ANDRO folder, it begins creating photos from DSC_0001.jpg.
Is there a way to set this counter to specific value, by the way? To change filename mask?
I am not sure if this question is for the Android Enthusiasts, couldn't find any better.

I don't have that device to hand so I can't check the settings. AFAIK if it isn't in the settings (and I really doubt it is) you cannot change it. You could look for an alternative camera app that might have that functionality.

What happens if you leave the one file with the highest count in the name and delete the rest?


text:
How can I auto refresh my web browser in android? (Any web browser)
I want to refresh (reload) a webpage every x minutes. How can i do this? Firefox addon's don't work, dolphin addon's don't work either...

Why don't the work? I've tried dolphin add on here on an S4, a nexus 4, 5 and 7 (2013 edition), a Galaxy Tab, a HTC One M7 and M8.... Can you give more detail?

it seems that the addon only works if the browser is open, when you open another app or wait 30 min without opening the browser again it stops realoading the webpage.

Android might be killing the browser after a long time of inactivity... I don't know how to work around that to refresh a website with any of those tools.

Install Tasker https://play.google.com/store/search?c=apps&q=tasker+apk
Read about Tasker and how to use http://tasker.dinglisch.net/

Tasker is an application for Android which performs tasks (sets of actions) based on contexts (application, time, date, location, event, gesture) in user-defined profiles or in clickable or timer home screen widgets.

Download a script or write one to start and continue refreshing the browser at needed intervals.

https://groups.google.com/forum/m/#!forum/tasker

Always do a backup!!!!