Wirelessly posted (Mozilla/5.0 (iPhone; U; CPU like Mac OS X; en) AppleWebKit/420.1 (KHTML, like Gecko) Version/3.0 Mobile/4A102 Safari/419.3)
if you are signed into your iTunes account when syncing your phone your account will be active on the phone.
In iTunes go to advanced(I think) and sign out. Then resync your phone.