Psp 352 M33 Upgrade To 660 -

Here’s a complete, step-by-step guide to upgrade your PlayStation Portable (PSP) with Custom Firmware 5.50 GEN-D3 / 5.50 Prometheus (or 5.00 M33-6) directly to 6.60 PRO-C2 (or 6.61 PRO-C2), including all necessary files and precautions.

Step 4: Making the CFW Permanent

On the PSP 1000 and most PSP 2000 models, you can make the custom firmware permanent so it stays even after you shut down the console. psp 352 m33 upgrade to 660

⚠️ Important: On CFW 3.52 M33, you must first disable any “Hide MAC” or kernel plugins, or use Hellcat’s Recovery Flasher to go to 5.00 M33-6 first. But normally you can run the Sony updater directly from XMB. Here’s a complete, step-by-step guide to upgrade your

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However, the PSP scene has evolved significantly. Staying on 3.52 M33 today limits your ability to play games released after 2007, prevents you from using the PSN Store (historically speaking), and blocks access to modern homebrew engines like the popular gPSP Kai (GBA emulator). But normally you can run the Sony updater directly from XMB