I have been unable to have iTunes recognize my iPhone. I have gone through all the troubleshooting from Apple and these forums including trying different USB ports as much as completely removing and reinstalling iTunes (several times). I have also tried to download updates for OSX (version 10.6.4) to upgrade from 10.5.8 but I am getting a "software not supported" error message. Perhaps I can't upgrade different versions? I haven't updated or restored my phone in months - last sync was in early June - I have not had the internet for the whole summer. If anyone has any alternate ideas, I'd really appreciate your input. Thanks!