Now you have to download a downgrader to downgrade your PSP®'s firmware to 6.20 OFW.
MEMORY STICK PSP GAME UPDATE EBOOT 2: Copy the EBOOT.PBP you downloaded to your UPDATE folder. (Folder names must be in all uppercase letters). Within the 'GAME' folder, create a folder named 'UPDATE'. Within the 'PSP' folder, create a folder named 'GAME'. 1: Using your PC, create a folder named 'PSP'. This tutorial is for people that want to downgrade to 6.20/6.35 (Note: If you are on 6.61 or higher your out of luck) To start select your PSP® to download a OFW: (Note: This is OFW 6.20 because a HEN is available for it) When you have have finished downloading, You will find a file named EBOOT.PBP. 6: Check & compare your PSP® information to the 'PSP® Motherboard Chart' above. 5: Run PSPident from your PSP® game menu. 4: Copy and replace the PSP folder on to your PSP memory stick. 3: Connect PSP® to computer via USB cable. 2: Extract PSPIDENT_0.75.zip file using 7zip or winRAR. You first have to install a L/CFW or a HEN from 'How To Install LC/HEN Firmware Tutorial For All PSP® Models' tutorial above. This Tutorial will help you identify your PSP® motherboard.