PSP 3.52 M33 users Guide faq

Get 3.52 M33 - 4 custom firmware from hereTroubleshooting :The problem with 3.52M33 is that it crashes alot and gives errors , so here's a trouble shooting tip: incase you get errors like :The game could not be started (codes like 80020148 , 8002014C , 80020148 etc) your iso's , UMD , homebrews etc may not work all you got to do is use the Semi birck Recovery or use pandora battery and downgrade