The French company doesn't want to pay more on its own, but is rounding up allies to help persuade Deutsche Telekom to sell its controlling interest in the US carrier.
The company's promotion will allow people to call Mexico all they want, as well as use their devices in the country, free of charge until 2016.
The nation's fourth-largest wireless carrier fielded more government data requests than AT&T, Verizon and Sprint.
Technically Incorrect: T-Mobile's CEO is staying at a Trump property and tweets he isn't happy. Trump retorts that Verizon has the best service. Legere announces he's checking out. Oh, my.
A new salvo in the wireless price war cuts the price of shared data on two lines by 29 percent.
French telecom provider says T-Mobile and parent company Deutsche Telekom refused to entertain its new offer.
The company will let new and existing postpaid customers add an LTE slate to their existing plans and get nearly 1.2GB of free data through the end of the year.
SoftBank CEO Masayoshi Son will reportedly argue that having a strong third mobile carrier will help even the playing field for in-home broadband.
If regulators borked the $39 billion merger of the No. 2 and No. 4 wireless carriers, is the $45 billion combo of the two biggest cable companies doomed? The competitive dangers are very different.
The carrier attracted 61,000 new customers in total in the fourth quarter, though sales fell by 5.2 percent from a year ago.