hi all. av upgraded lots of psp for friends and family. bt av just got a psp off my friend and he wants me to upgrade it to 3.52 m33. so i checked what was on it and it has sonys 3.03 on it and no writing on the inside of the umd try. bt x and 0 are the wrong way round. so i take it its a jap psp. can i still downgrade it to 1.50 and upgrade it to 3.52 m33? thanks for the help!!!!!!!
Yes you can. You can also switch the X and O around after installing 3.52 M33-4. Just go into recovery menu then down to registry hacks and change the X and O buttons there.
