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Iphone 12 battery drain

Same sim card at same place once inserted in iphone xr and kept overnight with wifi, bluetooth, mobile data off

and in second case inserted in iphone 12 , with same configuration observed huge overnight drain on the device. why so ? Giving two graphsThe iphone xr and 12 both shows same signal bar at the same place for the same network still the battery idle drains are different. I am not able to understand anything.

yes backgroud tasks are off with all battery savings tips on both the device.


what is the reason ?

Posted on Dec 25, 2021 9:59 AM

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Question marked as Best reply

Posted on Dec 25, 2021 1:11 PM

There are background tasks that you can't turn off and that depend on wi-Fi such as iCloud backup, iCloud Photos etc.

You should leave your phone on charge and on wi-fi all night every night.

1 reply

Iphone 12 battery drain

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