Downgrade

Apple stops signing iOS 15.3.1, ending ordinary downgrades from newer iOS 15.4

Downgrade iOS 15

Following a rigorous beta period, Apple unleashed its iOS & iPadOS 15.4 software updates for iPhone and iPad last Monday with huge upgrades, such as being able to unlock an iPhone with Face ID while wearing a mask and support for Universal Control, among other things. As we come up on a full week after the release, it’s unsurprising to see that Apple has now stopped signing the previous release: iOS & iPadOS 15.3.1.

Latest futurerestore update fixes issue affecting A14 devices on iOS 15, otherwise known as ‘A14 Curse’

With the news of an iOS & iPadOS 15.0-15.1.1-compatible kernel exploit being released, many iPhone and iPad users who’ve been wanting to jailbreak their handset have subsequently started seeking ways to upgrade to iOS or iPadOS 15.1 or 15.1.1 while they still can. While DelayOTA can be a solid option for anyone who hasn’t saved .shsh2 blobs, those who have can alternatively use futurerestore to update to these firmware versions.

Apple stops signing iOS 15.0.2, killing downgrades from iOS 15.1 just one week after launch

Downgrade iOS 15

Apple last Monday released iOS & iPadOS 15.1 to the general public following a lengthy beta testing period with a bevy of enhancements for the company’s mobile operating systems. Those enhancements comprised of SharePlay, support for COVID-19 vaccination cards in the Wallet app, an automatic macro toggle for the Camera app, and a plethora of bug fixes among other things.

With iOS 15.0.1 having been available for a while, Apple stops signing iOS 15.0

Downgrade iOS 15

Apple released iOS & iPadOS 15.0.1 on October 1st, marking the first update to the company’s new mobile operating systems with bug fixes. Notably, this update resolved a problem with Unlock with Apple Watch not working correctly with the brand-new iPhone 13 lineup – an exceptionally valuable feature amid a raging pandemic in which mask-wearing has become a common sight.

Now that some time has passed since Apple released iOS & iPadOS 15.0.1, it’s no surprise to see that Apple is closing the signing window for the original iOS & iPadOS 15.0 firmware that launched to the general public just two weeks prior.