hi i have a problem with the pandora i sucessfully created the battery and getting the psp to launch from the memory stick the only problem is that when i put it into another psp to create a custom firmware i cant get it to load the menu thats meant to come up instead it goes straight to the XMB and when i try to load things from the stick it gives me an error in short i cant install custom firmware on the psp with official firmware 3.90 please help