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I installed QA Flag back on 3.55 kneaw right before upgrading to regero 4.21 1.09 and confirmed qa is install since the secret menu show up with the l1, l2, l3, r1, r2 down button combination. However, as i was trying to figure out how to dehash my system for downgrade i can;t get the secret menu to show up. Did the upgrqade form 3.55 to 4.21 removed the QA flag? Do I need to reinstall it?
I think that qa flag is still enabled on 4.30, but you cant display the secret menu. Thatīs why after upgrading from cfw 3.55 it was recommended to enable qa flags and system debug update so you can downgrade your console without issues. If you didnīt do this, you have to use a special pup called 999 downgrader or sth like that.
QA flagging was removed after 3.55.
The QA flag token was disabled on all firmwares above 3.55 however if you want access to the debug menu you should go ahead and install REBUG 4.21.1
I was told i need to de-hash my system before downgrade. If QA is disbale, how do i de-hash it?
Dehashing is not the same thing as QA. You only need to rehash after you downgrade with a hardware flasher.