The Asus ZenFone Go ZB551KL-3H163IN Smartphone runs on Android 5.1, giving you access to various interesting applications. Moreover, its 1.4 GHz Qualcomm Snapdragon 400 processor enables a seamless operation. This grey smartphone features a 5.5-inch TFT display that delivers a crisp and clear visual output. It is powered by a 3010 mAh Li-Polymer battery that provides uninterrupted operation for longs hours.