The recent rivalry began when AT&T released an ad accusing T-Mobile of “Un-Truths,” allegedly misusing NAD materials in the process, which led to requests for a takedown of the ad, which AT&T is ...

AT&T has announced that it has filed a lawsuit in order to keep its ads criticizing T-Mobile's trustworthiness and reliability.

Over the past year, T-Mobile has attracted millions of new customers; however, it has also lost loyal customers at an ...

Just what is the UnCarrier? Before we jump into the differences between these plans, let's have a look at how T-Mobile's "Uncarrier" system works, because it's had some far-reaching effects on the ...

T-Mobile US Inc. Chief Executive Officer John Legere was kicked out of a trade-show party hosted by AT&T Inc., adding fuel to a commercial rivalry that is getting personal. Legere, who is positioning ...

T-Mobile believes that its satellite-powered Text to 911 feature is so important that even AT&T and Verizon customers should ...

Are you an AT&T mobile or Internet Air subscriber? The upgrade is already live for you in more than 5,300 cities.

From the customer's perspective, this should translate into faster, more consistent network access. If you're an AT&T ...