(adsbygoogle = window.adsbygoogle || []).push({}); Right, i have sucessfully downgraded and jailbroke using my HTC desire and PSFServiceMod.

Last thing, how do i install backup manager?

What did you use to downgrade

Download the backup manager ( i cant now paste the link im with ipod touch on)
and put the .pkg in root of 1 usb stick put it in ps3
-install packages and there must be backup manager