is it possible to crack psp using another psp?

[saurabh]

i have phat psp with CFW 3.90 m33-3 and my friend has psp slim with OFW
is it possible to crack my friend's slim psp using my phat psp?
if yes how and post links for tutorials if you know any
thanks in advanced

[sarailis]

http://www.pspmod.com/forums/firmwar...-have-cfw.html read this guide