VKWORLD DISCOVERY S1 MTK6735A 1.5GHz Quad Core 5.5 Inch IPS OGS LCD FHD 3.0D Screen Android 5.1 4G LTE Smartphone 2GB RAM + 16GB ROM 13 MP Back Camera + 5 MP Front Camera Support 3D Sensors 3050mAh High Capacity Battery - Black. So buy this Cellphone and Save $5 OFF For VKWORLD DISCOVERY 4G Smartphone. With coupon code: ANWKC1.