According to a published statement made by T-Mobile, "Nationwide, we plan to deploy 10+10 MHz of LTE in 90 percent of the top 25 markets by the end of the year"; this will be a big step up in the speed department as the carrier is currently employing 2X5 MHz LTE broadband which can't carry as much cellular traffic...Source: http://www.phonearena.com/news/Faster-data-speeds-on-the-way-to-T-Mobile-customers_id45879
