1) Download the pack rtu i prepared to you: http://www.megaupload.com/?d=HRW5YDTD 2) extract-it to your psp 3) Exit the usb mode and launch the NEWPSARDUMPER 4) Press X and you return to the xmb after a min. 5) Go to your pc and you need to do the same at me. 6) return to your psp and launch the update 5.03 and that-it.