Originally posted by goo123
a u should try to downgrade to 3.55.4 if u had toggle qa flag on when u upgraded which you should of then u can go ahead and put 3.55.4 rex in and downgrade then upgrade to 4.21 again and use the right spoofer if it gives u a error download 3.55.5 999 downgrader then it will work for sure good luck
I did have QA enabled, but I can't update or downgrade.
---------- Post added at 09:27 PM ---------- Previous post was at 09:25 PM ----------
Originally posted by milky4444
4.21 dex or cex?
I'm pretty sure I was on dex, which would explain why it was saying that the data was corrupted when trying to install a firmware.