https://www.dekut.com/World_Business/-sony-xperia-z-ultra-phablet-with-6-4/ The world rsquos slimmest Smartphone with largest HD display has been announced by Sony mobiles, this magnificent sized phone will carries out all the ergonomic features of the Xperia range which includes the IP55 or IP58 certified waterproof and Wed, 10 Jul 2013 12:20:19 UTC en