Battery drain on ios 27

been having an excessive battery drain issue after ios 27 update last week on my iphone 17 pro. also, the standby mode is not working properly (only silhouettes are showing) and noticed that it contributed to the battery drain as well. is there going to be a fix to be rolled out?

Posted on Sep 22, 2026 6:58 AM

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3 replies

Sep 22, 2026 4:34 PM in response to ge_almazan76

Welcome and thank you for reaching out. 🤗


A rapid battery drain after updating to iOS 27 can happen while the system reindexes and optimizes in the background, usually taking a day or two.


According to Apple: If you notice that your battery life has decreased after updating your device, wait a few days and then check again. Even though you can use your device immediately after an update, certain tasks related to the update continue in the background and might affect battery life and thermal performance. While they're ongoing, you might see the Insight Ongoing iOS Update in Settings ➢ Battery.


If you need more help, contact Apple Support directly.


Take care!

Smiliñ 😎 Brian | Community Volunteer

Battery drain on ios 27

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