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shez

macrumors member
Original poster
Hi all I'm experiencing excessive battery drain on my iPhone 14 Pro Max. For testing purposes last night I took a screenshot before I went to sleep at 00:35, and then another this morning when I woke up at 07:33. The phone was in Low Power Mode, all apps closed, and had been freshly switched off/back on. The battery drained from 56% to 26% overnight. I switched wifi off (night before it was on with similar drain), no Bluetooth devices connected. Battery settings screen shows nothing that drained 30% overnight. Is anyone else having similar issues? iPhone is currently updated on iOS 16.1, all apps are up to date. I don't believe this is an app issue though as all apps were closed and Low Power Mode switched on.

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Since upgrading to iOS 16.1.1 the issue seems to be resolved, 5% battery drain overnight from 20-30% per night on iOS 16.1
 
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