9to5Mac

Apple stops signing iOS 18.1.1, blocking downgrade from 18.2

With iOS 18.1.1 no longer being signed, iPhone and iPad users can no longer revert to this version of the operating system. iOS 18.1.1 was released on November 19 and brought some important security ...

iOS 26.4 No Longer Signed by Apple, Blocking Downgrades From iOS 26.4.1

Apple today stopped signing iOS 26.4, so iPhone users who have updated to iOS 26.4.1 are no longer able to downgrade to the earlier version of iOS. iOS 26.4.1 came out a week ago. When software is ...

iOS 26.4.2—Update Now Warning Issued To All iPhone Users

Apple has released iOS 26.4.2 and iOS 18.7.8, along with a warning to update your iPhone now. Here's what you need to know.
9to5Mac

Apple stops signing iOS 18.2.1, blocking downgrade from iOS 18.3

iOS 18.2.1 was released on January 6 with “important bug fixes” – but Apple didn’t detail what exactly was fixed. As for iOS 18.3, which was released on January 27, the update brings some improvements ...