im so confused about this downgrding stuff and i just got a psp. all i know is that i upgraded to 3.11 firmware and now im all confused about this 3.03 0e-c stuff and this custon firmware. it would be a great help if somone could help me out and tell me there is going to be somthing to get me 3.11 firmware to 1.5 firmware. p.s. what devhook?