PhoenixNonce has been announced which lets 64-bit iOS 9.3.5 / iOS 9.3.4 users to restore to any firmware version that they have SHSH2 blobs saved for. Here are the details.

The tool has been put together and released into the public domain by hacker siguza, functioning as a relatively simple-to-use app which lets each device owner set their own boot-nonce on the device itself. The benefit of this to device owners is that if they have previously saved their SHSH2 blobs for various versions of Apple’s iOS firmware, then this tool will facilitate the restore to the version of their choice.

The terminology used in the tool, such as the iOS “boot-nonce,” may be enough to instantly scare or frighten off the average iOS user from actually attempting to use the tool, but the good news is that its installation execution is actually relatively straightforward. Those interested in the tool can download it as an installable IPA file and then use Cydia Impactor to get the app onto the iOS device. The majority of jailbroken users should be familiar with Cydia Impactor, meaning that there’s a very small learning curve involved here.

Lets you set your boot-nonce so you can restore with saved blobs. For 64-bit devices only (for 32-bit, check out the Phoenix Jailbreak). As always, use at your own risk.

When the app is installed/sideloaded, it is then possible to set what siguza is calling a “generator” before restoring to the required firmware using the futurestore tool.

Anyone interested in learning more about the PhoenixNonce tool, or actually downloading it to give it a whirl, can find out more about it from the developer’s GitHub page for the project.

In closing, it’s only really likely that this will prove useful to those individuals who are currently sitting on iOS 9.3.4 or iOS 9.3.5 and who still have SHSH2 blobs saved for iOS 10.0.1 to iOS 10.2 and want to move across to that firmware in order to take advantage of the fact that there is a yalu jailbreak available for it.

Those who don’t actually care about a jailbreak, and who are happy to be on the latest version of iOS, can upgrade instantly through the usual mechanism to iOS 10.3.3, or wait until iOS 11 is officially launched for 64-bit devices next month.

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