The network handily beat out its competitors--Verizon, Sprint, and AT&T--in 3G downloading speeds, with an average speed of
3.5 Mbps compared to the
2.2 Mbps of runner-up AT&T, according to a new OpenSignal report. In 4G, T-Mobile squeaked out a victory over Verizon with a speed of
12.3 Mbps.
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