Apple Confirms Battery Life Problems Are iOS 5 Related | WIRED
iPhone in Full-Time Low Power Mode: How to Do It and What Happens If You Do - CNET
Apple Releases iOS 5.0.1 Beta 2 To Developers, Battery Fix On The Way?
Apple Admits to iPhone 4S Battery Problem
Battery on iPhone 13 Pro doesn't charge past 44% since the IOS 16 update. Battery health is 100%. Never any problem with IOS 15. Anyone a clue? : r/iPhone13