Samsung has made big claims regarding its readiness to support developing LTE markets, and its most recent announcement of two new Galaxy S4 and Galaxy S4 Mini variants supporting both FDD and TDD LTE networks confirms that sentiment. As global LTE coverage expands, many markets are adding support for TDD-LTE networks, particularly in places where FDD-LTE technology is already in place. The...
Source: http://www.gsmarena.com/samsung_outs_two_new_versions_of_the_galaxy_s4_and_s4_mini-news-6497.php