HTC Desire 520 comes with Android Oprating System v5.1 LollyPop, Quad core 1.1 GHz Cortex A7 Processor Qualcomm MSM8909 Snapdragon 210 chipset IPS LCD capacitive 540 x 960 Pixels 4.5 inches touchscreen, 16M colors, 8GB Storage 1GB RAM microSD Card Support Up to 64GB, 8 MP, 3264 x 2448 pixels, autofocus, LED flash, 720p@30fps, 720p@60fps, HDR, stereo sound Rear and front 2MP Camera, EDGE GPRS GPS WIFI Bluetooth 3G and 4G Supported Smartphone by HTC,