query: iPhone shuts off when battery is at about 20%
positive_passages.docid: 24443
positive_passages.text: Why does my iPhone power off when the battery is down to 30%?
negative_passages.docid: 49727
negative_passages.text: Why is wireless down/strange after switching to battery or closing/opening the lid?
negative_passages.docid: 72744
negative_passages.text: Battery charge status decreases while plugged in charging
negative_passages.docid: 88832
negative_passages.text: How to prevent my screens from turning off, when the screen is locked?
negative_passages.docid: 79433
negative_passages.text: Unexpected shut downs
negative_passages.docid: 125836
negative_passages.text: What causes iPhone low battery crashes? Is there a software fix?
negative_passages.docid: 89860
negative_passages.text: Why is it better for an iPhone’s battery to NOT close down apps?
negative_passages.docid: 127483
negative_passages.text: Force iphone app to restart programmatically?
negative_passages.docid: 17589
negative_passages.text: Auto turn off switch during power outage
negative_passages.docid: 4492
negative_passages.text: NFC battery draining through constant use
negative_passages.docid: 154139
negative_passages.text: Alarm is working even when the phone is powered off
negative_passages.docid: 34780
negative_passages.text: How can I limit battery charging to 80% capacity?
negative_passages.docid: 33717
negative_passages.text: My iphone app background process terminates after 10 mins
negative_passages.docid: 138156
negative_passages.text: Force MacBook to drain the battery while connected to charger
negative_passages.docid: 116600
negative_passages.text: How to turn off Wireless power management permanently
negative_passages.docid: 104297
negative_passages.text: How do I stop my phone from turning off the display whenever I put my finger over the phone speaker?
negative_passages.docid: 36787
negative_passages.text: My iPhone keeps switching on and off charge whilst charging, how do I fix it?