
Ensure you know if you have a PSP-1000, 2000, 3000, or Go.
No. You must upgrade to 3.52 M33-4 first before proceeding to 6.60 OFW. This intermediate step is necessary for a stable update path.
Extract the files and copy the PROUPDATE and FastRecovery folders to PSP/GAME/ on your memory stick. Disconnect USB and run from your game menu. Press X to install the CFW. Once done, you will be on 6.60 PRO-C2. Step 3: Make the CFW Permanent (Optional but Recommended) If you have a Go to product viewer dialog for this item. psp 352 m33 upgrade to 660
Now that you are on official 6.60, you can install a modern, stable CFW. is the most widely recommended for its compatibility.
Accept Sony's licensing agreement and let the installation complete. Ensure you know if you have a PSP-1000, 2000, 3000, or Go
Before you begin, gathering the right files and ensuring your PSP is ready is crucial for a safe upgrade.
Bypass the "System configuration of this PSP does not appear to be correct" errors when installing newer software. Preparation and Prerequisites Before starting, ensure you have the following items ready: A Compatible PSP: This guide is tailored for PSP-1000 (Phat) Go to product viewer dialog for this item. and early PSP-2000 (Slim) Go to product viewer dialog for this item. models that can natively run permanent custom firmware. This intermediate step is necessary for a stable update path
Check your battery. If your battery is old or third-party, the PSP may refuse to initialize a firmware flash as a safety mechanism. Ensure it is plugged tightly into an outlet.