T-Mobile will now let customers carry over their unused cellular-data allotments.
A new version of Sony's Xperia Z3 smartphone will soon be available through Verizon, the nation's largest wireless carrier. It joins a model coming to T-Mobile. The phones are hitting U.S. stores on the heels of their unveiling ...
T-Mobile USA claims Chinese telecom giant Huawei Technologies stole its software, specifications and other secrets for a cellphone-testing robot nicknamed "Tappy" - and it's not happy.
T-Mobile will sell more than 100 smartphone models with a built-in feature that taps into Wi-Fi networks to make phone calls and send texts when customers can't connect to the wireless carrier's cellular network.
US wireless carrier Sprint has decided to abandon a bid for rival T-Mobile, viewing the massive tie-up as unlikely to win regulatory approval, the Wall Street Journal reported.
Federal regulators are urging consumers to go through their phone bills line by line after a lawsuit this week against a high-profile mobile provider.
US telecom service firms Sprint and T-Mobile were nearing a deal valued about $32 billion and likely to be scrutinized by anti-trust regulators, US media reported Wednesday.
BlackBerry is ending its U.S. licensing deal with T-Mobile, saying the companies no longer have complementary strategies.
SoftBank, eyeing a tie-up of its US wireless unit Sprint with T-Mobile, stepped up its campaign Tuesday, claiming it could boost competition for Americans as it did in Japan.
German telecommunications giant Deutsche Telekom said Thursday it met its 2013 targets and is counting on business in the United States to boost overall sales this year and next year.