How To Upgrade an Old CFW to 5.00M33-6

If you own a PSP with an old custom firmware and you want to update it, you came to the right place. Hellcat's Recovery Flasher will help you through.

Requirements

• a psp with CFW installed
• Hellcat's Recovery Flasher v1.60
• Official firmware 5.00

Let's go to work !

• Download and unzip the official firmware 5.00 (renamed as 500.PBP)
• Download and unzip Hellcat's Recovery Flasher
• Connect your PSP to your computer and enable a USB Connection
• Copy the RECOVERY folder from the Recovery Flasher to your PSP X:/PSP/GAME so you end up with X:/PSP/GAME/RECOVERY
• Copy the 500.PBP file to the root of your Memory Stick
• On your PSP navigate to GAME >> MEMORY STICK >> Hellcat's Recovery Flasher and press X
  
• On the main screen select I Agree, now take me to the program and press X
• Now select Install CFW (of version selected above) and press X
• After a few minutes you have a PSP with CFW 5.00M33-6 !