When the 3G wireless networks have been opened by T-Mobile, this company offers the best services to its customers in the U.S. with upgrade connections to HSDPA. T-Mobile has improved wireless data network is most needed for the Smartphone market.  3G network is the fastest owned by the company T-Mobile for internet connection. This company plans to add 3G network dedicated to 185 million customers in the United States. T-Mobile also serve customers well, this is a positive image form from this company.