Once you have successfully set the nonce generator value, you can use futurerestore tutorials from my YouTube channel to restore your device to an unsigned iOS version. (remember that sep compatibility matters)
Below I have shared my futurerestrore tutorials, you can use whichever one you like. In futurerestore CLI, you will perform the tasks on command prompt or terminal depending on the OS you're using. If you are not good at CLI, you can use Fututerestore GUI, which is an app based on the Futurerestore tool.
Futurerestore CLI Tool:
FutureRestore GUI Tutorial:
If you have any questions or you face any error, then you can reach me out on Twitter:
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