Custom Firmware 5.50 GEN-D3 DIRECTLY (Latest Version) CLICK HERE FOR DOWNLOAD LINK Requeriments and Install : - Installation requires a PSP with 4.01 M33 or higher CFW (Only v1 and v2 motherboard users.) Offical sony firmwares And PSP3000 and PSP2000 v3 motherboards shouldn't try it. - Battery 78% loaded, - Extract the file you have downloaded anywhere on your computer. - Connect your PSP to your computer using the USB cable. - Copy the "UPDATE" folder into /PSP/GAME - Copy the "550.PBP" file into main menu (memory stick first page) - Exit USB Mode And run the "5.50 GEN-D3" from GAME section.. - Press "X" for Enter - Select "Flash Install CFW 5.50 GEN-D3" and Press "X". Start install.. please wait. - When install completed press the "X" button to restart automaticly.. done.. - Look at the version : System settings > System informations > Version : 5.50 GEN-D3 - Now..You got to have backup of your files.. And format memory stick from psp "system sttings > format memory stick.. - Now .. Check all your recovery settings.. Configuration > UMD Mod (currently : Sony NP9660 -NO UMD-) Use VSHMenu (Currently) : VSHMenu Use version.txt (corrently) : Enabled CPU Clock XMB : 222/111 or Default CPU Clock GAME : 222/111 or Default - And Play the games.. - PSP 2000 v3 mainboard and PSP 3000 users, install 5.03 GEN-C.. Search this forum..I dont tested.. Because i dont have PSP 2000 v3 mainboard or PSP 3000.. sorry..