my dad got a psp, and it turned out that it has a custom firmware installed, 3.40 OE-A, and was wondering how i can get 3.40 OE-B onto my 2.50 psp. it also has a theme change and was wondering how to change this also. thanks:thumbup: (BTW im not twelve or anything lol, i do actually know what im doing lol, just not on the psp)