Apple Stops Signing iOS 18.6.2, iOS 26 Downgrades Now Impossible

MacRumors
By Juli CloverSep 22, 2025, 6:48 pm399 pts
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 "signed," it means that it has passed a server-side verification check that Apple performs when a new version of iOS…

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