ZTE Blade A520 official Pictures. ZTE Blade A520 is a Smartphone of zte. The ZTE Blade A520 Android Smartphone. Announced Mar 2017. Features 5.0″ Display, MT6737 Chipset, 8 MP Primary Camera, 8 MP Or 2 MP Front Camera, 2400 MAh Battery, 16 GB Storage, 2 GB RAM. ZTE Blade A520 price starts.