Apple released iPhone firmware v2.2.1. As always, hold off on your upgrade. This one sounds pretty worthless anyway. In this upgrade, it claims to fix safari stability (which was already stable on 2.2, and they always claim to fix this anyway) and solved some issue in emailing photos. The 2g baseband did not get updated. The 3g baseband is at 2.30.03. If you were using yellowsn0w, this will shut you down. I’m sure jailbreak will be available soon. So just hold off.