Apple stops signing iOS 15.1, downgrade no longer possible from iOS 15.1.1

Apple has stopped signing iOS 15.1 for iPhone, iPad, and iPod touch users. The update was originally released over a month ago with ProRes video recording for iPhone 13 Pro and iPhone 13 Pro Max, COVID-19 vaccination cards in Wallet app, and various bug fixes and improvements. Apple also released iOS 15.1.1 since then, exclusively for iPhone 12 and iPhone 13, with fixes for call drop issues.

iOS 15.1 beta 3

No more downgrades from iOS 15.1.1 after Apple stops signing iOS 15.1

With this change, iOS 15.2 beta and iOS 15.1.1 users will not be able to downgrade back to iOS 15.1 anymore. Apple usually stops signing iOS versions as it is about to release a new public update. Downgrades are useful in situations where users run into critical issues with new updates. Apple does not officially support downgrades and often stops signing older iOS versions to discourage jailbreaks and also protect users against security flaws that might have been patched in the latest software updates.

With the current situation, all devices are currently on iOS 15.1.1 (iPhone 12 and iPhone 13) and iOS 15.1 (all other compatible devices) which means that users looking to restore or reinstall iOS 15.1 might face issues.

Although we have not tested this ourselves yet, we suggest that users who are looking to reinstall iOS 15.1 hold on until Apple releases a new update. It is unclear as to why Apple has made such a move, but we might get the answer in the form of iOS 15.2 and iPadOS 15.2 soon.

Apple is currently beta testing iOS 15.2 beta and has released three beta updates so far. We have seen new features like Messages Communication Safety Feature for Kids in iMessage, App Privacy Report, bulk editing for tags in Reminders app, redesigned Apple TV app, emergency call changes, Legacy Contacts, redesigned Notifications Summary, third-party screen replacement support for iPhone 13, toggle for iPhone 13 Pro’s Macro photography mode in the camera app, iCloud Enterprise and ID card integration in the Wallet app and more in iOS 15.2 beta updates.

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