... Inch Android 2.3.6Multi touch HD Screen with Dual cameraoperating systemAndroid 2.3.6 FrequencyGSM850/GSM900/DCS1800/PCS1900 ... (only back cover have different colors)Basic functionMP3,MP4,DVD player,handsfree function, group message sending,voice recording,WAP ... MMS,memory expansion,E-book,incoming call firewall ,dual card,dual standby and dual Bluetooth,display land ownership of incomin smart mobile ...