6.0" Cell Phones Unlocked Android 5.1 Quad Core Dual Sim GSM Quadband JUNING Smartphones White Please open back case to remove the insulating tape on battery before startup! 6.0 inch IPS HD(1280*720) Screen;Dual Camera:2MP/2MP OS:Android 5.1 ; CUP:MTK6580 Quad Core 1.3GHz ; GPU:Mali-400MP ; RAM&ROM: 512MB RAM + 4GB ROM 3G (WCDMA 850/2100) and 2G Quad Band (GSM 850/900/1800/1900) network.please buy the GSM/WCDMA SIM card. Do not buy the CDMA SIM card from them.