AT&T Motorola RAZR V3 Cell Phone - Black - Page 4 - Answered Questions & Fixed issues
How do I unlock a AT&T SM-870A for free?
I was not able to get a free unlock code for the mobile model that you have specified. suggest you can approach
Superunlockcodes.com and specify the country,locked network of Samsung 870A .Based on the availability you can get the permanent unlock service along with free instructions.
Won't accept ATT SIM card
Here is two possibility either you used sim in wrong slot like you have nano sim and you used into micro sim slot or other different slot. or your mobile is sim locked and that is why it not accepting at&t sim. here is how to
unlock at&t simcard.
As your att sim working fine with blackberry so sim is fine no issue with sim card. on which mobile you have tried this sim as you have not mentioned your other mobile it is same as blackberry or apple or samsung mobile.
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