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My iPhone 11 battery is draining toooo fast

my iPhone 11 battery is draining tooo fast and my battery health is 90% I don’t use my phone much no location service or anything but then too if I keep my phone of my battery drain fast can I know the reason or this is happening because of the new update of ios 15.1

Posted on Nov 28, 2021 12:00 PM

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Posted on Nov 28, 2021 12:24 PM

Battery Health at 90% is not bad. You need not worry until it reaches 80%, at which time you will need to make an appointment at the nearest Apple Store for Battery Replacement. Have you restarted the phone since the update? That may help and take a look at this link...

Batteries - Maximizing Performance - Apple

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My iPhone 11 battery is draining toooo fast

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