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Why does battery drop when iphone is idle with two SIMs?

I used two SIMs (one is ESIM) and with different operators. While my iphone is idle, battery still drops about 3% per hour. If I remove one SIM (ESIM) the problem is gone.

This is a bug, isn’t it?

iPhone 12 Pro Max, iOS 14

Posted on Dec 8, 2020 10:49 PM

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Question marked as Top-ranking reply

Posted on Dec 8, 2020 11:26 PM

The iPhone 11 and later models, battery performance --> About the battery and performance of iPhone 11 and later

4 replies

Why does battery drop when iphone is idle with two SIMs?

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