The new custom firmware by Dark Alex/Team M33 is here. 4.01 M33-2 is the latest release that fixes the bugs for 4.01 M33.
You can update using the Network Update on the PSP XMB if you have 3.80 M33 or above.
Or you can download the CFW and update on your own.
If you do not have 4.01 M33, you can’t update to M33-2. You can grab a copy from exophase. Remember to get a copy of the official 4.01 firmware.
To update your PSP to 4.01 M33, you need to perform the following instructions:
- After you have download the 4.01 M33 file, extract the content.
- Copy the UPDATE folder to ms:/PSP/GAME/
- Place the official firmware EBOOT into the UPDATE folder as 401.PBP
- Exit the USB mode and proceed to installation of the new CFW in the game menu. Made sure you have at least 78% battery life.
After you have follow through the SCE updater, Press X or O to end the update. Make sure you press X or O, otherwise you will land up with a BRICK.
After you have 4.01 M33, download the 4.01 M33-2 file from exophase also.
- Extract the content of the file
- Copy the UPDATE folder to ms:/PSP/GAME/, overwriting any files if you didn’t delete the 4.01 M33 files
- Exit the USB mode and proceed to installation of the update in the game menu. Made sure you have at least 78% battery life.


