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mojtaba120 Author

Level 1

4 points

battery health problem

My phone's battery health has decreased from 99% to 94% in one week after updating to iOS 15. What's the problem

iPhone 12 Pro, iOS 15

Posted on Sep 30, 2021 10:21 PM

Top-ranking reply

Sean_W.

Level 6

8,236 points

Posted on Sep 30, 2021 10:28 PM

Here is an article that may help.

iPhone Battery and Performance - Apple Support
- See the section, Battery Health, for more information.

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battery health problem

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