Hint: Nothing good.
Here's everything you need to know about the nation's fourth-largest wireless carrier.
T-Mobile is the popular kid who's been throwing a two-year party for his friends -- but someone will have to pay for all the festivities soon.
For the past few years, the self-proclaimed Un-Carrier has gained customers faster than any other telecom, but it still needs to learn how to make more money from them.
The company has a long history of matching one of its chief competitors.
The company has followed a pretty precise pattern for a number of years.
The company does have the best network just not by the margin it's suggesting in its latest commercial.
He also predicts further growth for his company and a continually improving network.
The company had a better-than-expected 2015, but there are some negative headwinds ahead.
The company grew in an area where most of its competitors shrank.