Arizona is experiencing an outage. I have had a problem all week and now it is completely down. I called Verizon and it is a definite issue in Cave Creek. So if you are in AZ, it isn't your phone, it is a Verizon network issue.
I woke up with that issue this morning. Battery pull didn't fix it.
Luckily I have what you want: information!
Dial ##778#
The password is 000000
That's six zeroes
Modem settings > rev. A > enabled > hit menu key > commit changes
The phone should restart and you should have data.
You tried rev a with no luck?