NETWORKGSM 850 / 900 / 1800 / 1900 (2G Networks)HSDPA 850 / 900 / 1900 / 2100 (3G Networks)DISPLAY SCREEN SIZE AND MODEL4.3 inches IPS LCD capacitive touch-screen, 480 x 800 pixels screen resolution, up to 16m color reproduction (217ppi)PROCESSOR SPEED AND GPU 1.0 GHz Dual-core Qualcomm MSM8227, GPU: Adreno 305STORAGE8GB Internal memory, 512 MB RAM, MicroSD Card Slot (up to 64 GB) CAMERA6.1 Megapixels Primary camera (up to 2848 x 2144 pixels, Carl Zeiss optics), supported features include auto-focus, LED flash1.3Megapixels Secondary Camera for Video CallingOPERATING SYSTEMMicrosoft Windows Phone 8 operating systemSENSORSAccelerometer, gyro, proximity, compassOTHER FEATURESGPU with A-GPS support and GLONASS, Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi hotspot, BATTERYNon-removable Li-Ion 2000mAh battery (BP-4GW)