Hello I have been trying to use Pwnage 3.1.5, but whenever I try to run it it always locks up where it is looking for the IPSW. I have put it in Expert mode and clicked on browse for IPSW, but nothing happens and to close it I have to use force quit. I was wondering if anyone had any idea what's going on. Also, for the iPhone 3g should I choose the iPhone 3gs when using pwnage?