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Battery health

My iphone 12 pro max rapidly decreasing the battery health. It started when I upgraded my ios version to 15.1 from 100% dropped to 97% now within 2 weeks. What is the other reason of this? My iphone is 6months old only and I only charging it once a day with an original adapter and cable.

Posted on Dec 14, 2021 5:41 AM

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Question marked as Top-ranking reply

Posted on Dec 14, 2021 6:59 AM

On average, the battery health will decrease between one and two percent a month. However, it's not a linear drop. So, it can stay at one point then drop by a couple. If your iPhone is 6 months old and has a battery health of 97%, it's fine.


Also, regarding charging your battery:


When to charge your iPhone or iPad - Apple Community

3 replies
Question marked as Top-ranking reply

Dec 14, 2021 6:59 AM in response to Maylanieuntalan

On average, the battery health will decrease between one and two percent a month. However, it's not a linear drop. So, it can stay at one point then drop by a couple. If your iPhone is 6 months old and has a battery health of 97%, it's fine.


Also, regarding charging your battery:


When to charge your iPhone or iPad - Apple Community

Battery health

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