660 — Psp 352 M33 Upgrade To

Your PSP must be charged to at least 78% . Connecting to a power source during the update is highly recommended to prevent a "power-off brick".

To move from an old M33 build to modern CFW, you must first return the system to a clean official state. psp 352 m33 upgrade to 660

Enter the Recovery Menu (hold the Right Trigger while booting) and disable all active plugins to prevent interference with the update process. Phase 2: Updating to 6.60 Official Firmware (OFW) Your PSP must be charged to at least 78%