Upgrading my AT&T pre-paid phone..?

Kelli W

New member
I bought a pre-paid cell phone about a year ago and I am wanting to change (up-grade) my phone. No matter what phone I have tried to use... NONE of them will read my SIM card except the one that it came with!!!! Does anyone know why this is happening? My husband also has a pre-paid AT&T and his will work on many different phones.
I just bought it and got this number within the past 12 months. It is new and the phone is new. I have a touch screen LG with a pop-out QWERTY keyboard. I don't think it is because it is old. My husbands that is about 2 years old works and mine doesn't..
 
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