10-11-2006, 08:03 PM
Join Date: Sep 2006
Location: San Francisco
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I am not sure how unlocked phones work but when I got my 8100 I simply took the T-mo SIM out of my 7100t placed it in the Pearl and the phone fired up. Did not have to call T-Mo at all.
Oh, and the phone came from T-Mo WITHOUT a SIM, so I have to assume the T-Mo assumes people know to take out their existing T-Mo SIM and to place it into the other phone.
I also took the SIM out of the Pearl and put back into the 7100t and it fired right up.
So I guess the answer to your question might be "Yes" if when you activated the new phone you did not have to call T-Mo or do something special.