i Just brought a psp ( i am a noob at psp stuff ). Den i asked for a verions 3.1 firmware psp. he den said it cost 255 dollar which at first i wanted to buy ,then he said there a newert verison of psp firmware which is 4.02 OE-A. So i brought it but the question is , is there really this veriosn 4.02 OE-A ? becuase it cost 90 dollars more than 3.1 . Really nid help so that i can get back my money . Thank in advance.