ZTE Nubia Z5S Mini NX403A official Pictures. ZTE Nubia Z5S Mini NX403A is a Smartphone of zte. The ZTE Nubia Z5S Mini NX403A Android Smartphone. Announced Nov 2013. Features 4.7″ Display, Snapdragon 600 Chipset, 13 MP Primary Camera, 5 MP Front Camera, 2000 MAh Battery, 16 GB Storage, 2 GB RAM. ZTE Nubia Z5S Mini NX403A price starts.