Asus has today launched the Zenfone 3 series of devices which include the Asus Zenfone 3, Asus Zenfone 3 Ultra and the high end Asus Zenfone 3 Deluxe. Yhe company has now finally launched the Asus Zenfone 3 Ultra device in India. The Auus Zenfone 3 Ultra cubes with a huge 6.8-inch
