PSP 3.52 M33-4

Ok i have a fat psp 3.52 m33-4 and am thinking to upgrade which versions can you suggest that i can upgrade.
And what about this 3.80 m33 i hear?
any suggestions?
Answer #1
this is the place mate
i made it proof of img and video on utube http://www.google.com?t=930643
download it and put in the game folder and it is done
say thanks there