Psp 352 M33 Upgrade To 660 Here

Guide: Upgrading PSP from 3.52 M33 to 6.60 PRO/Mean CFW

Put the official EBOOT.PBP file into the folder: ms0:/PSP/GAME/UPDATE/ (create the folders in all caps if they do not exist).

Step 3: Install 6.60 PRO-C2 Custom Firmware

Transfer

: Move the EBOOT.PBP into the /PSP/GAME/UPDATE/ folder. psp 352 m33 upgrade to 660

standard is a classic "bridge" update. Because 3.52 M33 is over a decade old, you cannot jump directly to 6.60; you must follow a specific sequence to avoid bricking your console. Update Roadmap Guide: Upgrading PSP from 3

Run the Update:

MagicSave

Yes, but 3.52 saves are generally fine. If you get "Corrupted Data," use or FreeCheat to resign the save files to 6.60 standards. Run the Update: MagicSave Yes, but 3

If there's no direct updater, manual installation is the way to go. This involves:

Custom Firmware (CFW) 6.60 PRO-C2 or ME

: Your choice of modern custom firmware.