3.80 M33
Custom PSP Firmware (CFW) 3.71-M33 for PSP Slim and Lite and PSP fat.
Requirements:
A PSP Slim with 3.60 M33. Or a fat PSP with 3.52 M33-3 or 3.52 M33-4. Previous versions of M33 won’t work, due to a bug that affects them and OE
Details:
Adds the ability to change CPU speed, Play PS1 games, play Homebrew games and apps, load legal ISO backups, load CSO’s (Compressed ISO files) and run emulators etc.
Change Log:
– Now uses 3.80
* HEN core: user mode can load now signchecked files from flash.
* recovery: flash1 format will create flash1 directories after format.
* This could fix some flash1 issues with the previous versions.
* Network update from dark-alex.org page. By default is enabled. You can turn it off in recovery (when off, network update will download sony updates as usual).
* Nids resolver for various kernel libraries.Download: (all files are required)
Or – Our Easy Installer Download (one file download with installer)
Instructions:
See Readme.txt inside M33 zip. Or follow the instructions of the Easy Installer.
Source: