Apple Stops Signing iOS 11.3.1, Downgrading No Longer Possible

Apple stopped signing iOS 11.3.1 on Friday, just a few days after releasing iOS 11.4 which included a number of features, making downgrade from any firmware above it impossible. This is obviously significant given those who are on iOS 11.4 or beta versions of iOS 11.4.1 and iOS 12 can now no longer get back iOS 11.3.1 for jailbreak purposes.

Apple routinely stops signing older versions of software updates after new releases come out in order to encourage customers to keep their operating systems up to date.

It’s important to note however that if you took our advise in saving SHSH2 blobs while iOS 11.3.1 was still being signed and you are on a firmware like iOS 11.1.2 which can be jailbroken, then you can get to iOS 11.3.1 anytime using FutureRestore even after Apple has stopped signing that particular firmware.

Coolstar is already working on Electra iOS 11.3.1 jailbreak based on the kernel exploit released by Ian Beer of Google’s Project Zero team. Those of you who are on iOS 11.3.1, we will advise you to stick to that firmware as Electra jailbreak will soon be updated to support jailbreak on that firmware, complete with support for Cydia Installer and Substitute.

As always, you can track which versions of iOS are being signed for your device(s) from the ever-so-useful IPSW.me website. We will of course keep you updated on all things jailbreak. Stay tuned for more.

Did you make it to iOS 11.3.1 in time? Share in the comments section below.

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