Downgrading a jb'ed PW3 G090KB from 5.9.2
I have a white PW3 G090KB with firmware 5.9.2 which is jailbreaked.
At the moment KUAL, python and librarian sync are working and when usb is connected it boots into diag mode.
Is it possible to downgrade it to a former version as it's already jb'ed?
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