Yesterday, T-Mobile not only officially announced its 4G LTE network, it also brought that network online in select cities, including here in New York City. We got a chance to see the network running ...

In an exclusive chat with T-Mobile executives before the announcement, I learned which moves took the carrier from No. 4 to the top. Jeff Carlson writes about mobile technology for CNET. He is also ...

T-Mobile is offering a Family Freedom deal where families can get up to four iPhones when they switch. The Family Freedom deal includes up to $3,200 in virtual prepaid cards to pay off old phones.