Samsung today unveiled the Galaxy S4 LTE-A, a variant of its flagship device that supports LTE-Advanced (LTE-A) and billed as the “world’s first commercially available LTE-Advanced (LTE-A) smartphone.” Aside from supporting the much faster LTE-A connectivity, it is nearly identical to the Galaxy S4 except that it also packs a Qualcomm Snapdragon 800 processor that promises better performance than the […]