Psp 352 M33 Upgrade To 660 Portable [better] Jun 2026

Congratulations! You've successfully upgraded your PSP 352 to M33 6.60 Portable. Explore the new features and capabilities of your PSP.

If you have a PlayStation Portable (PSP) still running the legendary custom firmware, you are holding a piece of handheld history. Released by Team M33 nearly two decades ago, it was the gold standard for its time. However, to play modern homebrew, enjoy better PS1 compatibility, or use the latest plugins, upgrading to Official Firmware (OFW) 6.60 (and subsequently a modern custom firmware like PRO or ME) is essential. psp 352 m33 upgrade to 660 portable