ZTE Blade S7 official Pictures. ZTE Blade S7 is a Smartphone of zte. The ZTE Blade S7 Android Smartphone. Announced Oct 2015. Features 5.0″ Display Snapdragon 615 Chipset 13 MP Primary Camera 13 MP Front Camera 2500 MAh Battery 32 GB Storage 3 GB RAM. ZTE Blade S7 price starts.