The CEO had some strong criticism of RootMetrics, and the research firm answered back.
It added 3.5 million phone subscribers, while competitors combined to lose 260,000.
AT&T recently announced it will follow Verizon to begin testing 5G, but what does this mean for its ongoing rivalry with T-Mobile, Sprint, and Verizon?
The same company won the latest RootMetrics survey again, but first place is becoming increasingly less important.
Saying your the best only works for so long if you're not actually better than your competition.
To keep up with increasing prepaid competition, the nation's largest carrier is giving away more data for the same price.
The U.S. lags far behind the rest of the world in mobile Internet speeds.
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