Hi, i've got an old fat psp which wont work even with pandora or cemetry mem stick. I made pandora etc with my boys psp and the menu works in that but when i put in bricked psp screen stays dark, lights on power, mem and wifi stay on, all for about 15 secs then turns itself off. Ive tried brightness and holding R button etc but nothing works. Is it possible to use nandtool or something to take a backup of my boys psp and then somehow use the backup on bricked psp. My boys on 3.40oe at mo but can change to 1.50 if needed. I read something from ninja 5601 in this link http://forums.afterdawn.com/thread_view.cfm/39/552549 which seems exactly same problem as mine but cant get hold of ninja5601 to ask him how he did it. I dont have a nanddump of bricked one as this was a while ago i bricked it and really didnt know what i was doing.