The Oppo R819 is a dual-SIM Android smartphone, shipping with Android Jelly bean 4.2.1. It features a 4.7" IPS LCD display with a resolution of 720x1280. Powered by a Quad-core 1.2GHz processor and 1GB RAM, the R819 is considered a mid-range device. It has an 8MP camera, and connectivity is via 3G or Wi-Fi. All this runs on a 2000mAh battery.