On your Memory Stick, create the folder path: PSP/GAME/UPDATE/ . Place the EBOOT.PBP inside the UPDATE folder.
: If you encounter errors, use Key Cleaner by Chili Willy to repair "bad keys" that often conflict with older custom firmwares. Step 2: Installing Official Firmware (OFW) 6.60
: Standardizes games to run without patching individual ISO files.
If you are still running , you are holding a piece of PSP history. This firmware, released by the legendary Dark_AleX in 2007, was the gold standard for homebrew and piracy protection bypass for years. psp 352 m33 upgrade to 660
Upgrading your PlayStation Portable (PSP) from the classic 3.52 M33 custom firmware (CFW) directly to the modern 6.60 official or custom firmware requires a specific multi-step path. You cannot jump directly to 6.60 due to architectural differences in the older M33 code, which will cause a system error or a brick.
: If you receive a "DRN FF FF CD" error during the official update, you may need a tool like KeyCleaner to repair "bad keys" in your system's internal memory that were corrupted by early CFW versions. How To Upgrade to PSP 6.60 PRO-C2 Custom Firmware [2021]
Extract the PRO-C pack. Copy the folders named PROUPDATE and FastRecovery into PSP/GAME/ . On your Memory Stick, create the folder path:
The PSP will guide you through the update process. Ensure you do not interrupt the process. Once the update is complete, your PSP will restart.
Congratulations! You have upgraded from 3.52 M33 to 6.60 PRO-C2. Your PSP can now play modern ISOs, use newer emulators, and take advantage of all modern plugins.
Press to install the custom firmware. The screen will text-flash quickly and return you to the XMB. Step 2: Installing Official Firmware (OFW) 6
Open your Memory Stick directory. Navigate to PSP -> GAME and create a new folder named UPDATE . Place the 5.00 M33 update files into this UPDATE folder.
Remember: only you are responsible for your PSP. Following this guide carefully ensures a successful transition from legacy CFW to modern, fully compatible 6.60 PRO-C.