So, my experience is not the end all be all but, with no version of iOS (beta or public release) did I ever have battery drain issues on my iPhone 11 Pro. I’ve been using it since release day. What you might want to do (I know what I’m about to say is a HUGE P.I.T.A.) is to make sure that you have a complete backup, either iCloud, computer
Restart Your iPhone. Update Your iPhone. Check Your Apps. Turn Down Screen Brightness. Turn Off Keyboard Haptics. Reset All Settings. Downgrade. Buy a Battery Case. Fixing iOS 17 battery life
This will reset all of your iPhone's settings to their factory defaults, but it will not erase any of your data. To reset all settings: Go to Settings. Select General. Choose ''Transfer or Reset iPhone''. Tap on ''Reset''. Select ''Reset All Settings''. Factory reset could be used as a last resort to fix the iOS 17 charging issues.
Oct 5, 2021 8:17 PM in response to MichelleT18. Battery health is 99%. It is a 12 Pro Max. Nothing changed, it literally happened on the day after upgrading to iOS 15.0.1, even iOS 15 was fine. For a full charge in the morning, it only takes half hour of reading news for the battery drop from 100% to 93%.
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iphone 11 pro battery issues
