Game Decrypter allows you to run the backup games requesting official firmware 5.55 on your Custom Firmwares GEN.

Instructions:
* Download Game Decrypter by Yoshihiro
* Connect your PSP to the computer via USB
* Take your PSP in "USB mode" with the option "USB Connection"
* Click the right mouse button on the file you downloaded,
* Choose "Extract Files ..."( WinRAR is advised)
* Choose like destination the letter assigned to your PSP from your computer.
* Press OK and wait extraction files,
* Leave the "USB mode" on your PSP
* Then go below to learn how to use the tool