Installation instructions and other changes (from the readme):
QUOTE
4.01 M33
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Instructions: Copy UPDATE folder /PSP/GAME/ and run.
Put the 4.01 sony update as 401.PBP in same folder, or let the program download it for you using a wifi connection.
Changes:
- Bug fix: vshmenu didn't let change camera mode due to camera_plugin using select button.
Fixed, now vsh menu will not be loaded when using the camera.
- Recovery can now be translated, See how below. Translation to spanish is autoincluded.
- Updated the M33 SDK with a new function and sample, and released the psp-packer tool to
compress prx's and PBP's in the ~PSP format.
- The folder of 4.01 and highre homebrew will be GAME4XX so it won't need change on update.
----------
Instructions: Copy UPDATE folder /PSP/GAME/ and run.
Put the 4.01 sony update as 401.PBP in same folder, or let the program download it for you using a wifi connection.
Changes:
- Bug fix: vshmenu didn't let change camera mode due to camera_plugin using select button.
Fixed, now vsh menu will not be loaded when using the camera.
- Recovery can now be translated, See how below. Translation to spanish is autoincluded.
- Updated the M33 SDK with a new function and sample, and released the psp-packer tool to
compress prx's and PBP's in the ~PSP format.
- The folder of 4.01 and highre homebrew will be GAME4XX so it won't need change on update.
The 4.01 M33 custom firmware archive is attached and the 4.01 EBOOT is available from eXophase.
A 1.50 kernel addon for the 'phat' PSP is expected shortly.
Source: eXophase.com Forums