ZTE Nubia X6 official Pictures. ZTE Nubia X6 is a Smartphone of zte. The ZTE Nubia X6 Android Smartphone. Announced Mar 2014. Features 6.44″ Display, MSM8974AB Chipset, 13 MP Primary Camera, 13 MP Front Camera, 4250 MAh Battery, 128 GB Storage, 3 GB RAM, Corning Gorilla Glass 3. ZTE Nubia X6 price starts.