Psp 352 M33 Upgrade To 660 Portable | FHD 2026 |

A black terminal command screen will boot up. Press to execute the program. Once complete, press X again to return to the dashboard. Your device is now running custom features. Stage 4: Lock It in Permanently (CIPL Flasher)

Now that you are on OFW 6.60, you have two modern choices: or 6.60 ME-2.3 . 6.60 PRO-C2: Highly compatible with almost everything. Copy the PROUpdate and CIPL_Flasher folders to PSP/GAME/ .

Disconnect, go to , and launch PRO Update .

Access to PSOne Classics, emulators, and better media support. ⚠️ Pre-Requisites & Safety Check Before you begin, ensure you have:

Identify if your PSP is a model to ensure you use the right files. Find the specific download links for the 6.60 ME-2.3 files. psp 352 m33 upgrade to 660 portable

Older M33 firmwares sometimes include "update blockers" to prevent accidental official updates.

Disconnect from the PC. On your PSP XMB, go to . Launch the PSP™ Update ver 6.60 .

This guide covers the leap from the M33 era to the Pro-C or ME series of custom firmwares. Why Upgrade to 6.60?

You cannot jump directly from 3.52 M33 to a 6.60 custom firmware. You must first go to the official 6.60 firmware. the official Sony 6.60 EBOOT.PBP. Connect your PSP to your PC via USB. Navigate to PSP/GAME/ . Create a folder named UPDATE . Copy the EBOOT.PBP into PSP/GAME/UPDATE/ . Disconnect the USB and exit USB mode. A black terminal command screen will boot up

While 3.52 M33 was a masterpiece in its time, it is highly outdated. Moving to 6.60 offers several crucial benefits:

You will need:

Press to install the custom firmware. Your PSP will reboot into 6.60 PRO. Making it Permanent (CIPL Flasher):

The system update file was placed in the wrong folder path or named incorrectly. Your device is now running custom features

Now that your PSP is running a relatively modern 5.00 base, you can safely update to Sony's official 6.60 firmware. This clears out the old M33 registry files and prepares the console for clean modern CFW.

If you get a "Version 9.90" error, go to the VSH Menu (press Select), change "USB Device" to "Flash 0," connect to a PC, open vsh/etc/version.txt , and change "9.90" to "3.52". 🚀 Phase 3: Installing 6.60 ME-2.3 (Permanent CFW)

To install 5.00 M33-6:

All your classic emulators (GBA, SNES, PS1 classics) go into the PSP/GAME/ folder, just like they did back on 3.52 M33.

You need to download two primary official files and one custom firmware toolset: