hello,

i have a psp 2004 , with date code 8A and frimware 3.90 m33-3

i have this psp hacked to play games by the memory stick duo, but now to play some games like gran turismo, tetris, williams pinball, etc... and others, i have error 800201148, i think its because the frimware to old??

can anyone help me to upgrade my psp and intructions and links too, to play with all the games.

best regards to all.