(Therefore, the only way would be a hard reset by taking out the battery) The issue of Chinese and Korean fonts crashing the XMB and homebrew was fixed.
However, the Korean font has to be added from a 3.52 dump.
M33's ISO loader speeds were improved, brightness issues were fixed throughout the system, (with the 1.50 kernel brightness added) the WLAN fix was implemented in a different way, and an option was added in recovery for those still experiencing WLAN issues.
Before any updates were released to the 3.51 M33 firmware, a WLAN fix was added for those experiencing WLAN issues with their system.
After 7 updates to the base firmware, bugs were fixed, and more features were added in to expand on the firmware.
This remained the basis for most of the future releases.
PSOne games can be played with better compatibility across both the Phat and Slim PSPs.
30 July 2007 Download This fixed the compatibility issue with PSX games in IRSHELL via usbhostfs and nethostfs.ISO play still works, with the ability to the OE, M33, and Sony NP9660 No UMD Drivers to play backed up games.Compatibility and speeds have been improved in the newer M33 and Sony NP9660 Drivers.All of the 3.40 OE features still remain on the M33 Firmwares.However, the only feature that lacks past 3.52 M33 is the autoboot program that allows programs to be run from a coldboot.They are based on Sony's firmwares starting from 3.51 and above.Earlier custom firmwares by Ale X were known as OE (Open Edition) firmwares and SE firmwares.The Vsh Menu, a new addition to the M33 firmwares, allows users to quickly over/underclock their PSPs, change the ISO loader plugin used for backups, change the XMB USB Device (Memstick, Flash0, Flash1, etc), mount video ISOs, and reset the device.For a guide of how to install custom firmwares safely visit: Installing Custom Firmware.M33 firmwares 3.60 and above can be installed on Slim PSPs too.These are the new features introduced in M33 firmwares: After Dark_Ale X supposedly retired from the PSP scene, he and a few other sceners continued, under the pseudonym of Team M33 developing Custom Firmware with the tag of M33 (rather than OE/SE). Almost everything resembled some part of OE including the installer.