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iphone 12 Pro - O2 Sim Battery drain

user43212
Level 1: Joiner
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on ‎11-01-2021 19:19

on ‎11-01-2021 19:19

Hi 

 

I have recently purchased iphone 12 pro and am using it with the O2 Sim card. Unfortunately the battery drains almost by 25% overnight when the phone is idle. 

 

I have replaced the phone already and did not make any difference. 

 

If i remove the sim card the battery works fine, its only loses about 2 - 4 % overnight. 

 

It is something to do with the Sim card.

 

Can you please advise.

thank you

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MI5
Level 94: Supreme
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on ‎31-01-2025 21:39

on ‎31-01-2025 21:39

iOS14 was very current at time of the OP.

No idea what @VKV is running but all possible answers are now covered either way.

I have no affiliation whatsoever with O2 or any subsidiary companies. Comments posted are entirely of my own opinion. This is not Customer Service so we are unable to help with account specific issues.
Please select the post that helped you best and mark as the solution. This helps other members in resolving their issues faster. Thank you.
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