What To Do If My Iphone Battery Keeps Dying. To fix the issue with your iPhone shutting off even though it says there is still battery life remaining were going to do a DFU Restore. Keep your iPhone in temperatures between 16 and 22 degrees celsius.
The iPhone screen constantly turning on will definitely drain your battery. Theres another option to limit performance such as turning off GPS. Try moving your iPhone and charger to a cooler location.
Force Restart iPhone 6s or older models.
DFU stands for Device Firmware Update. Scroll down and tap Display Brightness. If the battery percentage doesnt update by itself you can try going into your SettingsSelect General then Date Time and verify whether the option titled. A gray toggle means Raise to Wake is disabled.
