my psp used to be 4.01 version
then i was prompt to upgrade to 5.01
now i cant play my game although the game is still in my memory stick
how can i downgrade back to 4.01
do you mean you had 4.01m33? because thats the only way you can play games off the memorystick, by having CFW, but you upgraded it to 5.01 OFW, to downgrade it you need a pandora battery and magic memory stick.
From 5.01 to 4.01
From 5.01 to 4.01
Linear Mode
