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iPhone battery drain since iOS 15.7.1 update

Did the "critical" update last night and now battery power is dropping like a rock. Happened a few updates ago as well. That required an additional update to rectify the battery drain issue.


[Re-Titled by Moderator]

iPhone 6s, iOS 15

Posted on Nov 2, 2022 4:37 PM

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Question marked as Top-ranking reply

Posted on Nov 19, 2022 5:18 AM

Since updating to iOS 15.7.1, my iPhone 7 battery level goes from 95% at 9pm down to 0%-3% by 7am next morning, and that’s with almost zero use and NO apps open/running. My phone used to be able to idle for days between charging. I had battery replaced 1 year ago and Battery Health shows 97%.


Any thoughts?

37 replies

iPhone battery drain since iOS 15.7.1 update

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