Psp 352 M33 Upgrade To 660 (2026 Release)

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.

Once on M33-4, you can prepare the Official Sony 6.60 Firmware update.

: Use a reliable Memory Stick Pro Duo or a microSD adapter with at least 2GB of space. Required Files : Official Firmware (OFW) 6.60 : The base system update.

The latest emulators for SNES, GBA, and PS1 games require updated kernel access provided by 6.60. psp 352 m33 upgrade to 660

With your PSP resting on official firmware 6.60, you can choose your final modern CFW destination. is highly recommended for standard users due to its excellent plugin compatibility and built-in online play features. Step-by-Step Installation Download the 6.60 PRO-C2 (or PRO-C Fix3) release pack.

Upgrading from such an old firmware is not as simple as dragging a file to your memory stick. If you skip steps, you will encounter the dreaded "The system configuration of this PSP system does not appear to be correct" (Error DRNFFFFFFCD) or a straight-up brick.

Whether you want to configure for your ISOs. On the PSP 1000 and most PSP 2000

On your computer, extract the contents of the update package to the root of your PSP's memory stick. Typically, this involves copying the UPDATE folder (containing the firmware update files) directly into the root of your PSP's memory stick.

If you run the 6.60 updater and get an error saying your version is already 9.90, your M33 firmware has a built-in version spoof active.

The Ultimate Guide to Upgrading Your PSP from 3.52 M33 to 6.60 Custom Firmware Required Files : Official Firmware (OFW) 6

: Ensure your PSP is charged to at least 78% and plugged into a power source. A power failure during this process can permanently "brick" the console.

Skipping preparation is the #1 cause of bricked PSPs. Follow these steps precisely.

A functioning Memory Stick Pro Duo (usually 1GB or larger).