Apple Stops Signing iOS 16.4, Downgrades and Restores No Longer Possible

Apple has stopped signing iOS 16.4, preventing users from being able to downgrade or restore to that firmware version.

Currently, Apple's latest firmware is iOS 16.4.1. If you accidentally update or restore, you'll find yourself on that version. Developers have been seeded with the second beta of iOS 16.5.

Those interested in jailbreaking are typically advised to stay on the lowest firmware possible. The unc0ver jailbreak and Taurine jailbreak support all devices running iOS 14 - 14.3. Unc0ver has been updated with the Fugu14 untether which supports iOS 14.3 - iOS 14.5.1 and a Fugu15 jailbreak has been released for developers on iOS 15. A Fugu15 Max jailbreak for A12 - A15 devices running iOS 15.0 through iOS 15.4.1 has been released in beta. Finally, the palera1n jailbreak has been updated with iOS 16.3.1 support for A11 devices and lower and an update with iOS 16.4 support has also been teased.


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