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Battery issues iPhone 12 Pro

Ohk since ios 14.2 straight out of the box new, my phone charged to 100%. Then after a few days it charged to 80%. I’m now using ios 14.5 and with Optimised Battery Charging OFF, it only charges to 91%. It’s very cold where i live, and i charge it throughout the night, and yet - 91% is all i get. Battery capacity is 100% which it should be given the phone’s only a month and 2 weeks old. Anyone know why this is happening?

Posted on May 16, 2021 8:51 PM

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Question marked as Top-ranking reply

Posted on May 16, 2021 8:56 PM

Leave the Optimized Battery Charging feature OFF. Then try and Force Restart your iPhone EXACTLY as shown below and see whether that resolves the issue:

  • Press and quickly release Volume UP button
  • Press and quickly release Volume DOWN button
  • Press and Hold the SIDE button until an Apple logo appears and then release the Side button (Can take up to 20 seconds. (DO NOT release Side Button when invited to Slide Power OFF). 


Axel F.


4 replies
Question marked as Top-ranking reply

May 16, 2021 8:56 PM in response to HugoCoet

Leave the Optimized Battery Charging feature OFF. Then try and Force Restart your iPhone EXACTLY as shown below and see whether that resolves the issue:

  • Press and quickly release Volume UP button
  • Press and quickly release Volume DOWN button
  • Press and Hold the SIDE button until an Apple logo appears and then release the Side button (Can take up to 20 seconds. (DO NOT release Side Button when invited to Slide Power OFF). 


Axel F.


Battery issues iPhone 12 Pro

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