Xperia Z Ultra is the world's slimmest smartphone and with a screen size of 6.4", boasts the world's largest full HD display.* Its body is expertly crafted using clear lines and premium materials, with crystal clear glass on the front and back, connected with precision by a metal aluminium frame. Xperia Z Ultra has a super-responsive screen, compatible with any pencil or stylus, can be navigated effortlessly, and with its IP55 & IP58 waterproof rating it's not afraid to g