hi guys , so i have a 1003 fat psp that didnt use for so long , i just realized that GOW and Patapon 3 is out so i wanted to upgrade my system so i succesfully got it up to 5.50 Gen-D and tried iso tool 1.971 but still no succes , what am i supposed to do to be able to play Gow Ghost of Sparta and Patapon 3 ?