Considering that the Nokia Lumia 520 and its U.S. twin, the T-Mobile branded Nokia Lumia 521, are the top selling Windows Phone 8 models in the world, you'd expect T-Mobile to be more receptive to new Nokia devices; yet, the recent introduction of new Nokia Lumia models left the nation's fourth largest carrier shut out of the newest Nokia devices...Source: http://www.phonearena.com/news/T-Mobile-to-pass-on-Nokias-newest-models_id49011
