RootMetrics
According to RootMetrics, Sprint is not the worst wireless network in the United States. That title now belongs to T-Mobile. RootMetrics collects mobile network performance information.
As ReCode points out, it isn’t all bad news for T-Mobile as they continued to do well in many major cities.
“We believe the metro stuff is the most important,” T-Mobile CTO Neville Ray said in a phone interview. Ray said that looking at the top 30 metro areas, T-Mobile is second to Verizon in a number of categories and first at pure LTE speed. – ReCode
RootMetrics
In fact, RootMetrics CEO noted that every carrier saw its overall performance increase or stay the same from six months ago. As expected, Verizon and AT&T finished 1-2 in the rankings at the state and national levels.