Psp 352 M33 Upgrade To 660 Portable Jun 2026

Upgrading your PSP 352 M33 to 6.60 Portable is a straightforward process that requires some basic technical knowledge. By following this guide, you'll be able to enjoy the latest features and enhancements on your PSP. Remember to always backup your data and be cautious when installing plugins and applications.

Because 3.52 M33 is a very old "Open Edition" style firmware, you may encounter specific hurdles during the upgrade: PSP: Updating from the 3.xx OE CFWs to the 6.60 ME CFW

This guide applies to the PSP-1000 (Fat) and PSP-2000 (Slim) models that can run 3.52 M33. Do not use this exact method on a PSP-3000, Bright, or PSP Go. psp 352 m33 upgrade to 660 portable

You are now on the most compatible custom firmware ever made for PSP. Here’s how to optimize it:

Play all games released after 2007, including late-era UMDs that require higher firmware. Upgrading your PSP 352 M33 to 6

You will need:

If you are on base 3.52, install the M33-4 patch first. Because 3

Inside the archive, locate the PROUPDATE and FastRecovery folders.