The Samsung SGH-T639 is T-Mobile's first 3G enabled phone. The T639 is a lower mid level phone that features a 1.3 megapixel camera, Bluetooth, video record/playback, MicroSD slot, and interchangeable faceplates, but surprisingly does not support voice dialing...
Buying a replacement phone will not affect your existing service contract, but are generally more expensive, since they are not being discounted by your carrier.
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Carrier Compatibility
Properly unlocked, this phone should be compatible with:
T-Mobile - Note! Always confirm compatibility before purchasing.
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