UPDATE: John Legere said today that T-Mobile plans to open 1,000 new T-Mo stores in 2017 as well as 1,500 new MetroPCS stores. Also revealed during today’s earnings call is that two-thirds of T-Mobile customers are using Voice over LTE (VoLTE) calling.   ORIGINAL: Today is a Tuesday that’s loaded with big events, because not only is it both Valentine’s Day and [read full article]