Users complain iOS 13.2 is too aggressive in killing background apps : r/ iphone
iOS 13.2 tips: Bad iPhone battery life? Here's how to diagnose and fix battery drain issues | ZDNET
iOS 13.2 battery life tested (Video) - Geeky Gadgets
Battery drain & iOS 13.3 | MacRumors Forums
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
iOS 13.2.3 battery life test, is there any improvement? (Video) - Geeky Gadgets