June 26, 2022
Apple Stops Signing iOS 15.4.1, Downgrades and Restores No Longer Possible

Apple Stops Signing iOS 15.4.1, Downgrades and Restores No Longer Possible

Posted May 23, 2022 at 10:54pm by iClarified · 2356 views
Apple has stopped signing iOS 15.4.1, preventing users from being able to downgrade or restore to that firmware version.

Currently, Apple's latest firmware is iOS 15.5. If you accidentally update or restore, you'll find yourself on that version. Developers have been seeded with iOS 15.6 beta.

Those interested in jailbreaking are typically advised to stay on the lowest firmware possible. The checkra1n jailbreak makes it possible to jailbreak most devices between the iPhone 5s and iPhone X on any firmware version above iOS 12.3; however, an iOS 15 update has yet to be released. The unc0ver jailbreak and Taurine jailbreak support all devices running iOS 14 - 14.3. Unc0ver has also been updated with the Fugu14 untether which supports iOS 14.3 - iOS 14.5.1. Recently, CoolStar announced that the Odyssey Team has an idea for defeating AMFI for A12+ devices running iOS 15.0 to iOS 15.1.1. However, a jailbreak of A12+ devices running iOS 15.2+ is 'not looking good', potentially making the iOS 15.1.1 jailbreak the 'last jailbreak'.

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Apple Stops Signing iOS 15.4.1, Downgrades and Restores No Longer Possible
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