Amid the fierce competition between wireless carriers, T-Mobile received some good news this week: T-Mobile's recent bragging about its network has some backbone, according to the OpenSignal State of the Mobile Networks report for the U.S. In fact, Verizon's average LTE download speed was slightly slower than T-Mobile's, OpenSignal noted. "T-Mobile has been bragging about the big coverage gains it's made in the last year, and our latest batch of In the fourth quarter, OpenSignal measured T-Mobile's time coverage at 81 percent despite when and where users tried to connect.