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
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Battery drain & iOS 13.3 | MacRumors Forums
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iPhone 7 and other iPhone device battery drain fast after updating iOS 13.2
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iOS 14 Significant battery drain from Health app. : r/apple
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Battery drain & iOS 13.3 | MacRumors Forums
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Bug] [13.3b3] Horrible battery life (3-4 hours screen on time) and 30% overnight battery drain : r/iOSBeta
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Battery drain & iOS 13.3 | MacRumors Forums
My best battery thus far, on iOS 13.2 IPhone 11 pro max, LTE all day, Light Mode. 6 hrs and 46 minutes of screen on at 50% battery life. YouTube really is
iOS 13.3 improves battery life and performance on older iPhones
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