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
iOS 13 Battery Life Drain Vs iOS 12.4.1 Compared [Video] | Redmond Pie
IOS 13.3 BATTERY DRAIN!!! | MacRumors Forums
After updating to iOS 13, my iPhone battery is draining very fast. How can I improve the battery life now? - Quora
Battery Drain IOS 13.3.1 iphone 7 - Apple Community
Anyone else having battery drain issues? I have an iPhone 7 Plus running iOS 13.3.1 and I've randomly lost 20% battery in 5 mins. New OEM battery too. : r/ios
30 Fixes to Instantly Stop Your iPhone Battery from Draining Fast – PITAKA
Apple's iOS 13.1.1 for iPhone Now Available, Includes Patches for Keyboard Security Flaw, Battery Drain Bug & More « iOS & iPhone :: Gadget Hacks
iPhone iOS 13.6 battery draining fast for no obvious reason? Try this fix | ZDNET
iOS 13.2.2 now available with fix for background app performance, more - 9to5Mac
Apple releases iOS 13.1.1 with fixes for battery drain, Siri, iPhone restores - 9to5Mac
iOS 13 on the iPhone 6S and SE: New software runs fine on a phone that's still fast | Ars Technica
Rapid iOS 15 Battery Drain Issue: 10 Pro Tips to Improve iOS 15 Battery Life | Beebom
iOS 13 - Wikipedia
IOS 13.3 Draining Battery Life - Apple Community
iPhone users complain iOS 16 is a battery drain, has other issues | Computerworld
iOS 13.3 Battery Life - One Week Later : Follow Up Video - YouTube