I have this iPhone with me for two years. It was fine but one day I plugged my phone into the computer and it was stuck at the apple logo. So, I fiexed it anyhow not its stuck on the itunes and emergency call. iTunes can no loget detect my phone on any computer. I cant reven restore it to fix. I tried jailbreaking it on ziphone and it did not detect the phone either. So please guys help me out what should I do? Why is it not detected in my computer?