Help] WiFi idle energy battery drain. Woke up and phone was at 50% from 100%. I've had battery drain issues since updating to iOS 13.3 from 12.4 : r/jailbreak
How to FIX iOS 16.3.1 Battery Drain Fast Issue on iPhone & iPad - YouTube
iOS 13 Latest Version, Updates, Problems, Fixes & New Features | Macworld
How to Fix Bad iOS 13 Battery Life
Apple reveals bizarre reason why some iPhone owners are experiencing 'vampire battery drain' | The Sun
High screen-off battery drain as of late? (2018 pro, iOS 13.3) : r/iPadPro
IOS 16.3 iPhone 13 Battery Drain Test in 2023 - GOOD BATTERY!! - YouTube