I searched the forums under a few things but have not found out how to back up your iPhone onto iTunes. Does it just do it automatically? I thought it should because I have resotred it before and when it synced it synced in all my info. So when you sync your iPhone is that a back up? I guess the reason I am confused is because when I go under iTunes preferences in the box where it says "the following iPhones are backed up on this computer" it is blank???