Apple's iOS 13.1.1 for iPhone Now Available, Includes Patches for Keyboard Security Flaw, Battery Drain Bug & More « iOS & iPhone :: Gadget Hacks
How to Check Your iPhone's Battery Health | PCMag
Apple iOS 13 battery drain continues… | by Michael de Groot | typewriting | Medium
SOLVED] iPhone Battery Draining Fast after iOS 16/15/14 Update
Severe battery drain after updating my iPhone SE to iOS 13. 52 minutes of use, 50 in Pokémon GO completely drained my battery. iOS or Pokémon problem? : r/TheSilphRoad
Some iPhone users on iOS 13.1.3 complain of severe battery drain after update
New Apple iOS 13 is KILLING batteries as iPhone owners find battery life drains quickly | Daily Mail Online