Im sorry if anyone has asked this already but I dont really seem to understand this website so far since im new. I had A 1.50 Firmware PSP PHAT and was able to run GPSP with ease. But when i tried to runs CSO's I couldnt so i decided to go to PSP PHAT 4.01 m33-2 Custom Firmware and now i can run CSOs easily but have no idea how to run GPSP now....Sorry its long ANY HELP would BE GREATLY APPRECIATED..