Good evening all! I just got my new AT&T Z221 Prepaid phone today. I tried to activate it, after I did that I turned on my phone and it say "No Sim Card" Enter the 16 didits to unlock the network? Please help me thanks!
Check the package for a card the size of a credit card. The card has a smaller card in it. Detach the small card and insert it in the phone per the instruction manual that comes with the phone.
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