Battery Drained after Software Update

My iPhone 11 Pro was fulling charged with Power plugged in. After the Software version 15.5 was updated. My phone was fully charged. I turned it off over night then turned it back on the next morning. My battery was down to 79%. What's going on?

iPhone 11 Pro, iOS 15

Posted on Jun 26, 2022 1:49 PM

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Battery Drained after Software Update

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