Originally posted by xiLuTiioN
Same one I've been using for the past 6 months it's called ps3 flash tool I think that's what it's called it's for 4.50 and 4.55
Have you tried to install the CFW for that specific version? for instance you patch for 4.50 then you would install 4.50CFW
Have you tried to go into safe/recovery mode to install rogero 3.55 downgrader??