Lot of utilities are available to untethered jailbreak iPhone and iPad on iOS 10.3 and iOS 10.3. However, if you have already updated your iDevice to iOS 11, iOS 11.1.2, iOS 11.2 or iOS 11.2.1, then downgrading to iOS 10.3 is not straight forward process, rather a bit complicated.
So in order to be able to use utilities like g0blin for iOS 10.3 jailbreak, you need to first set nonce for iOS 10.3. V0rtexNonce is a utility that uses the vertex exploit in iOS 10.3.
For those who are still un-aware of nonce, it is a file that will save the old firmware SHSH blobs. Just understand this way: Apple stops signing older firmware after releasing new firmware.
Since iOS 11.2.1 is now out, it is impossible to downgrade to iOS 10.3.3 using iTunes. So in order to downgrade to iOS 10.3.3, you need to set n0nce or nonce. For that purpose, v0rtexNonce is the best available utility.
v0rtex kernal exploit utilizes the NVRAM in iOS that makes it possible to downgrade to old good iOS 10.3.3 firmware. Once you have downgrade to older firmware, it is quite easy to jailbreak it.
How to Use V0rtexNonce to Set Nonce for iOS 10.3.3 Downgrade
There are lot of tools available for jailbreaking iOS 10.3.3 on iPhone 7 Plus, 7, 6S, 6S Plus and iPad Air/Mini. However, the first step is downloading V0rtexNonce for setting nonce for iOS 10.3.
Follow the steps below to download V0rtexNonce and then setting up for saving the nonce of iOS 10.3.3:
- Download V0rtexNonce/VortexNonce IPA.
- Download and install Cydia Impactor.
- Connect your iDevice to your PC.
- Drag and drop the V0rtexNonce .ipa file inside Cydia Impactor.
- Enter your Apple ID details.
- Follow the on-screen instructions.
- Launch it on your iDevice.
- Enter your SHSH blog hexa decimel string.
That’s it. Now you have successfully set up nonce for iOS 10.3.3 for downgrading from iOS 11 or later.
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