So here's a bit of history. I jailbroke my iPhone 4 many times including on 4.1.2 (I think that's the right firmware) and never had a problem. The main reason I jailbroke was for mywi 4.0 which I paid $20 for. I used pwnage tool to try and jailbreak my iPhone on 4.3.1 firmware and everything went well until I tried to restore with iTunes and even that went perfectly until it started to reboot. The little apple came up then the loading circle on top of the bottom half of the apple. The loading circle has stopped and I can not shut it off and nothing happens when I hold each button down or in some kind of combination or plug it into my mac. Also, my mac does not recognize my iPhone. When I unplug it from the usb it is still frozen in that same loading screen. Someone please help!!!