How to uninstall iOS 26 (updated)

According to a MacRumors forum post, users who want to downgrade back to iOS 18 will first need to make sure they have a full ...

Struggling with iOS 26? Here’s how to downgrade to iOS 18.6.2 for a smoother iPhone

Apple users facing bugs or slow speed on iOS 26 can switch back to iOS 18.6.2 for better performance. The downgrade process is possible but requires backups, downloading the correct IPSW file, and ...

Lagging on Apple iOS 26? How to restore your iPhone to iOS 18.6.2 interface

Apple's iOS 26 introduces a new Liquid Glass interface but users report lags and glitches. Those dissatisfied can downgrade to iOS 18.6.2. Here is the process to move back to the iOS 18.6.2 interface.
9to5Mac

Apple stops signing iOS 18.6, blocking downgrade from both iOS 18.6.X updates

Apple has released two software updates to iOS 18.6. Since the iPhone software update has shipped without issue, and one contained a major security patch, Apple has stopped signing the older iOS 18.6 ...
MacRumors

Apple Stops Signing iOS 18.6.2, iOS 26 Downgrades Now Impossible

Apple has stopped signing iOS 18.6.2, which means that if you've upgraded to iOS 26, you're no longer able to downgrade to a version of iOS 18. Apple released iOS 26 a week ago. When software is ...