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jahongirm Author

Level 1

6 points

Battery health

My iPhone 12's battery health dropped to 99% in 5 months and dropped to 98% within week, is it normal?

iPhone 12, iOS 15

Posted on Jun 19, 2022 12:02 PM

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Level 10

171,072 points

Posted on Jun 19, 2022 12:18 PM

have you read

About the battery and performance of iPhone 11 and later - Apple Support

and maybe

iPhone Battery and Performance - Apple Support

and Batteries - Maximizing Performance - Apple

people report apple does not change the batteries until they are lower than 80% in health

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Level 10

171,072 points

Jun 19, 2022 12:18 PM in response to jahongirm

have you read

About the battery and performance of iPhone 11 and later - Apple Support

and maybe

iPhone Battery and Performance - Apple Support

and Batteries - Maximizing Performance - Apple

people report apple does not change the batteries until they are lower than 80% in health

Reply

Level 6

17,648 points

Jun 19, 2022 2:20 PM in response to jahongirm

Sometimes it plays catch up all at once or in cascades. It's unlikely that it actually stayed at 99% that long, then lost another 1% in two weeks. It's also an estimate.

In any case, there are things about it where it's not really worth worrying about all the time. It's not a real time indication of battery health. It updates at times that seem almost random.

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Battery health

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