![T-Mobile fourth in latest RootMetrics report [telecom]](https://forums.cabling-design.com/media/28294/conversions/6034ef4b9e5399.80167461-medium.jpg)
T-Mobile shows improvements in new RootMetrics report, but finishes fourth overall.
By Alex Wagner
RootMetrics today published its Mobile Network Performance in the U.S. report for the first half of 2016. In this test, RootMetrics says that it drove 265,386 miles and performed 3,676,470 tests, including tests conducted within the 125 most populous metro areas across the U.S.
RootMetrics also notes that to conduct its tests, it uses "leading Android-based smartphones." Starting in the first half of 2016, which is today's report, RootMetrics used T-Mobile's VoLTE for its calling tests as well as AT&T's VoLTE when it was available.
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