Fiber weakness and macro challenges could lead to the wireless network operator underperforming, according to KeyBanc.

Are dead zones a thing of the past? T-Mobile and Starlink's new satellite cell service thinks so. Here’s what you need to ...

Despite that, the DOJ said it closed its investigation into the merger and will not ask a court for an injunction to prevent ...

T-Mobile US (TMUS) has better execution, but AT&T (T) is more of a value pick. Check out which company is the superior pick for different kinds of investors.

T-Mobile is one of the US's largest mobile carriers and is estimated to have more than 100 million customers. But in the past 10 years, the company has developed a reputation for suffering ...

AT&T just released its Q4 2011 financial results, and the failed T-Mobile buyout combined with other charges means the carrier lost some $6.7b for the quarter — the carrier had to pay T-Mobile ...

What AT&T and T-Mobile did was to re-brand their enhanced 3G networks (sometimes called 3.5G) by simply renaming them "4G" networks. Voila! In other words, this is mostly a marketing ploy.