This easily copies custom firmwares to your PSP! No more searching for EBOOTS and figuring out where to put everything this program does if for you! All needed files and Eboots are included!

Supported Firmwares:
150 POC
2.71 SE-A
2.71 SE-B
2.71 SE-B’
2.71 SE-B”
2.71 SE-C
3.02 OE-A
3.02 OE-B
3.03 OE-A
3.03 OE-A’
3.03 OE-B
3.03 OE-C
3.10 OE-A
3.10 OE-A2
3.40 OE
3.51 M33
3.51 M33-2
3.51 M33-3
3.51 M33-4
3.51 M33-5
3.51 M33-6
3.51 M33-7
3.52 M33
3.52 M33-2
3.52 M33-3
3.52 M33-4
3.60 M33 (Slim)
3.71 M33
3.71 M33-2
3.71 M33-3
3.71 M33-4

Requirements:
– Windows Vista / XP / 2000 / 98
– Visual Basic Runtimes (Included in Package)
– Downgraded PSP

http://forums.qj.net/f-psp-development-forum-11/t-release-ultimate-cfw-installer-beta-133375.html