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BoogeyMan007
User level: Level 1 (5 points)

Battery draining faster

After updating to iOS 27, my iPhone 17 Pro Max's battery is draining noticeably faster than when using iOS 26. This issue occurred after I had finished "optimizing search and Siri." Please help resolve this.

Posted on Sep 16, 2026 9:36 PM

1 reply

Ingo2711
User level: Level 10 (93,009 points)

Sep 16, 2026 9:53 PM in response to BoogeyMan007

Did you already restart or force restart your iPhone after the latest upgrade?

Force restart iPhone - Apple Support


Did you check in Settings -> Battery, which apps are using the battery life more than usual?


You can also report this directly to Apple Techs by using the Feedback link:

Feedback - iPhone - Apple


Originally posted at discussions.apple.com/thread/256358688