Samsung recently announced that it has officially sold 3 million of its Galaxy S smartphones in the United States. There are currently five such devices on the big four major carriers. Verizon Wireless sells the Samsung Fascinate and the Continuum, AT&T sells the Captivate, Sprint sells the Epic 4G, and T-Mobile sells the Vibrant. It's also available on U.S. Cellular. Samsung Mobile has 32.1 percent of the U.
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