iOS 27 just killed battery backup of my iPhone 15 Plus
iOS 18 with 100% battery health vs iOS 27 with 86% battery health
The battery degraded by use thats fine. but just look how i was getting about 6 hours of use when the battery is used by 44%
even with a slighly degraded battery it shouldve reduced to 4 hours instead of 2 hours
unlike iOS 27 where its hardly 2hrs and 48min
Posted Sep 23, 2026, 8:41 AM UTC
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