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iPhone battery draining after iOS 18 Update

iOS 18 draining my battery

Last night (17/09/24) I upgraded to iOS 18 update but this morning when I started using the phone, my battery drained out very quickly - anyone had similar issues.

any solution please ?


[Re-Titled by Moderator]

iPhone 14

Posted on Sep 17, 2024 2:06 PM

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Question marked as Top-ranking reply

Posted on Sep 19, 2024 10:36 AM

Found this on another thread How to Stop Battery Draining on iPhone After a Recent IOS Update and it's been a game changer, battery which was reducing 20 to 30% in 1 hour of basic usage now reduces only 15%. I will update you on which adjustment helped alot as I am currently testing on it as I don't want to disable some features so will update soon here.

400 replies

Sep 20, 2024 7:16 PM in response to Mis73

This issue is not unique to the iOS 18 update.

I’ve noticed that battery life gets impacted every single time have updated the iOS on any of my iPhones I have had since iPhone 1. This is especially true if the update coincides with the launch of a new iPhone model. Even when I have paid to have the battery replaced, it doesn’t seem to help the issue

Sep 20, 2024 10:41 PM in response to Mis73

Actually, such battery drain is a norm after each iOS upGrade and some iOS upDate. It will recover eventually.


However each upGrade will tax the battery a lot. My older iphone 11’s battery health always degraded with each upGrade. For the last upGrade from iOS 16 to iOS 17, I put the phone on a towel with an ice pack below during the upGrading process 🤣.


I am choosing not to upGrade my old iphone 11 and iphone 15 plus this time.

iPhone battery draining after iOS 18 Update

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