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Replying to: T-MOBILE? by SKYLER
T-Mobile operates on GSM, Cingular and ATTWS also have GSM networks, which would enable all GSM equip to operate on any GSM tower in the area. Depending on what frequency the equipment is programmed to operate on, your GSM phone may work in Europe and Asia as well. You can take your GSM equipment (with your phone number) to another carrier if you are able to get the phone unlocked. You would just need to buy a SIM card from your new carrier.
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