Navarrito has released a PSAR Dumper that can partially decrypt SONY 5.50 firmware.
Navarrito wrote:

Quote:Yes, not hard to do.

Traduction of the release post in our blog by Google: translate.google.es/translate?u=http%3A%2F%2F redbullpsp.blogspot.com%2 F&sl=es&tl=en&hl=es&ie=UT F-8

EDIT : Sorry , but the traduction link does not work, and I cannot post urls with the http prefix because I have not 10 posts yet, so you should do the traduction manually with google the page is redbullpsp.blogspot.com

Cheers

source

let me try it later...

wee don't need 5.50 files..wee need 5.55!  :P