Apple stops signing iOS 18.6.2
Now, if you wish to go back to the OS before iOS 26, you can no longer do that because Apple has stopped signing iOS 18.6.2.
Of course, Apple is not forcing you to upgrade to iOS 26. There’s still an option to continue using iOS 18. However, if you’ve upgraded to iOS 26, you can no longer go back.
Apple has also stopped signing iPadOS 18.6.2 as well as tvOS 18.6, so you can no longer downgrade your iPad or Apple TV device either.


iOS 26. | Image Credit – Apple
Apple protects users from installing outdated software
Basically, when software is “signed”, it means that it has passed a server-side verification check that Apple does every time a new version of iOS is downloaded on an iPhone. In other words, an update can’t be installed unless it passes said verification check.
Apple stops signing software to protect Apple device owners from installing outdated and less secure versions of its operating systems. Therefore, it’s done for protection purposes.
iOS 26 has minor bugs that should be addressed in a future fix
iOS 26 is a pretty big upgrade, and I’ve been loving it so far. There are plenty of exciting changes, and I overall like the new design of the OS. However, I’ve experienced a couple of minor bugs here and there, nothing fatal or experience-disrupting, and usually those get ironed out soon after with a following software update.After all, I wasn’t even thinking of downgrading back to iOS 18. Hopefully, users who wished to do so have already done it, so now the rest of the people who are on iOS 26 are hopefully happy with it.


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