Finally iPhone OS 3.1 is release  you can download the Lates iPhone OS 3.1 free via iTunes 9. OS 3.1 includes video editing that will allow you to keep a copy of your original film clip while saving an edited one. If you select and hold an application, as it wiggles, the phone itself will vibrate and lastly but not functioning, MMS buttons. The other features include a faster boot time for the iPhone, updated modem firmware to 5.08.01, update AT&T profile to 4.2, and a couple of SDK/development functions …