ZTE Nubia Z9 Mini official Pictures. ZTE Nubia Z9 Mini is a Smartphone of zte. The ZTE Nubia Z9 Mini Android Smartphone. Announced Mar 2015. Features 5.0″ Display, Snapdragon 615 Chipset, 16 MP Primary Camera, 8 MP Front Camera, 2900 MAh Battery, 16 GB Storage, 2 GB RAM. ZTE Nubia Z9 Mini price starts.