can i downgrade my psp 3000 (slim & lite) 5.51 FW

can i downgrade my psp 3000 (slim & lite) 5.51 FW..??
Answer #1
Download
HBL rev 101 & Patapon Exploit
Download Patapon Demo
More Details
Go
http://wololo.net/wagic/half-byte-loader-for-patapon-2-up-to-ofw-6-20
Please remember that ALL links must be coded,
including, but not limited to, e-mail addresses, passwords, and internal links.
Coded for you this time.
~Medic~
Answer #2
@ Please code all your links next time
@ I can’t help you sorry so I leave the answer for other members
Answer #3
thanks for reply
Answer #4
http://forums.psp-hacks.com/f133/the-hack-your-psp-mega-thread-t227349/