Psp 352 M33 Upgrade To 660 Portable | PREMIUM · 2026 |

You must install official software before applying modern custom code. On your PC, open the PSP memory drive. Navigate to the PSP folder, then open the GAME folder.

Now that your handheld is on official software, you need to apply the modern jailbreak. Connect the PSP back to your PC via USB.

Download the and the Official Sony 5.00 Firmware (PBP) file. Rename the Official Sony 5.00 firmware file to 500.PBP . Connect your PSP to your PC. psp 352 m33 upgrade to 660 portable

Disconnect the USB. On your PSP, go to the Game menu and launch .

Once you're on 6.60 Official, it's time to install M33 6.60 Portable. You must install official software before applying modern

A Pro Duo card or a MicroSD-to-MS-Pro-Duo adapter. Ensure it has at least 50MB of free space.

Before you begin the upgrade process, make sure you have the following: Now that your handheld is on official software,

If you hit a roadblock during your setup, let me know you have (1000 Phat or 2000 Slim) and the exact text of any error code you see. I can provide the precise directory fix for your console! Share public link

Press the designated button (usually ) to install the permanent bootloader.

: Install modern 6.60 CFW like PRO-C2 or ME-2.3 . 1. Prepare for Official 6.60 Update