Connect your iPhone/ iPad running on new iOS, say, iOS 15 beta to the computer. Download the previous iOS version from Apple website.
Once the device goes into recovery mode, jump to the second step. How to downgrade iOS using iTunes: On your iOS device, navigate to Settings > iCloud > Find my iPhone. Watch this video to see how to set the nonce with nonceEnabler. Once you manually set the specific nonce, it would match the generator in the SHSH2 blobs saved and the restore would be accepted without any issues. Windows 8, Windows 8.1, Windows 10 or later. The first video details how you can use your jailbroken device to set a specific nonce. Once you select Rent youll have 14 days to start watching the movie and 48 hours to finish it. But if you are attempting it without a jailbreak, but have the blobs saved with the five nonces Tihmstar made public, go to the second step. If your iOS device is jailbroken, and have the blobs saved with a generator, follow both steps. To make things a little easier, below are the two steps to complete the process. Tihmstar has created two videos detailing the process, and you may have to follow instructions in both of them depending on whether or not your device is jailbroken. There has been a lot of confusion regarding how to follow the upgrade/downgrade process. This requires the SHSH2 blobs saved with a specific nonce and no generator. Io has been transformed into a cow by Zeus and turned out by Hera, Zeus’s jealous wife, to wander the world aimlessly while being relentlessly pursued by a biting gadfly.
Whereas, all these iOS downgrade tools only work with jailbroken devices. Io comes across Prometheus as he is chained to the mountain. There are some downgrade tools that are known to all, including TinyUmbrella, Prometheus, and iDeviceReRestore. Outstanding Features of UltFone iOS System Repair.
The second method, which uses only futurerestore, does not require a jailbreak. Free Download For PC Secure Download Free Download For Mac Secure Download BUY NOW BUY NOW Part 1. This method uses nonceEnabler and futurerestore together. The first method requires a jailbreak and SHSH2 blobs saved with a generator. Now Depending on the method you choose, you will be making use of futurerestore, nonceenabler and img4tool utilities, together they basically make up Prometheus as Prometheus itself doesn’t have any graphical interface of its own. Prometheus can be used in two ways depending on whether your device is jailbroken. Download Prometheus To Downgrade / Upgrade iOS With SHSH2. Two ways to upgrade/downgrade unsigned iOS firmware