This is the latest version of PSP custom firmware which many of you know is necessary to play all the free games uploaded here or on other sites. This can be installed using a Pandora's Battery or a Magic Memory Stick.
M33 3.90 Custom Firmware
http://www.megaupload.com/?d=ERDBTYLDhttp://www.megaupload.com/?d=F9YZGK01
