Downgrading from iOS 18 beta to iOS 17 on iPhone 11

Hello sir

I have mistakenly installed beta version on iphone 11 and its running in ios18 with is bot supported on my phone how can I remove or get backup on ios 17



[Re-Titled by Moderator]

Original Title: Software update

iPhone 11, iOS 18

Posted on Nov 3, 2025 3:26 PM

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Question marked as Top-ranking reply

Posted on Nov 3, 2025 3:39 PM

Apple provides these instructions on how to uninstall iOS beta software; click here —> How to uninstall iOS or iPadOS beta software - Apple Support


Are you sure you "just" installed a true beta version? We're well beyond 18 being a beta release and you may have installed the regular 18 from which there is no going back.

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Downgrading from iOS 18 beta to iOS 17 on iPhone 11

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