Can I use t-mobile 4g service in my 3g mobile?By Community Writer | Community.Drprem.com / November 11, 2011 I know that 4g service is much much faster and better than 3g and that is why I want to get t-mobile 4g service in my t-mobile. So tell me is it possible? If yes, then how can use it in my mobile? Today's Top Articles: