My text messaging is not working on my phone when i try to send one. When i attempt to it tells me message failed to send or something like that. can anyone help? On top of that instead of saying At&t it says emergency every once and a while and switched back over to the at&t icon and then when i try to set At&t as priority umber one in network settings it says UNFINISHED. any ideas? i have my Media Net and MMS just not text and network service. HELP. thanks.