Battery drain and lag after iOS 26 update on iPhone

After IOS26 update my iPhone got super laggy and battery drains fast. Please fix it.


[Re-Titled by Moderator]

Original Title: Super laggy on IOS26

Posted on Sep 19, 2025 9:51 AM

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Posted on Sep 19, 2025 9:54 AM

That is expected. You need to give it at least 3-4 days to finish the background indexing of files and photos optimization for object detection. That is true for any major update and to a lesser extent even point updates. Apple provides a Support Article here:

About Apple software updates - Apple Support


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Battery drain and lag after iOS 26 update on iPhone

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