Sony's announced its first two LTE-capable phones for its Japanese customers -- and there's two of 'em. The Xperia GX is up first, with a 720p 4.6-inch display squeezed in alongside a new 13-megapixel camera -- a first for Sony's mobile family. A 1.5 GHz dual-core processor ensures it should all tick along nicely, while the hardware design follows the curves of last year's Xperia Arc, this time with a matte finish. The camera upgrade and huge screen makes a good case for this to be Sony's new flagship device -- mere months since the Xperia S debuted in Europe -- and before the Xperia Ion has even had a chance to launch in the US. It's joined by the Xperia XS, which Sony's calling the world's lightest LTE capable hands
