Just in case there weren't enough variants of the Samsung Galaxy S4 on the market for you, Samsung has announced two more. It turns out that both the Samsung Galaxy S4 and the Galaxy S4 Mini are going to be released with versions capable of dual-mode LTE...
Source: http://www.phonearena.com/news/Samsung-announces-dual-mode-LTE-versions-of-the-Galaxy-S4-and-Galaxy-S4-Mini_id45916
Source: http://www.phonearena.com/news/Samsung-announces-dual-mode-LTE-versions-of-the-Galaxy-S4-and-Galaxy-S4-Mini_id45916