Q: Unlocked Using repo666.ultrasn0w.com – Now Cannot Make Calls ?

I have a Iphone 3GS 32GB version that was unlocked using repo666.ultrasn0w.com, and now I am not able to make calls with it , neither can I activated AT&T sim nor a T mobile sim.  Please if
anyone can help me I am trying to fix this before
I return to Russia on Saturday.
Thanks for your help.

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