Tagital Unlocked 4" Android Smart Phone AT&T T-Mobile Dual Sim Dual Camera Playstore Touch screen phone, OS: Android 4.0 CPU: MTK6515 1GHz Battery: 1800mAh ROM: 256MB RAM: 256MB Capacitive touch (2-point) screen Network frequency: GSM 850/900/1800/1900MHz Dual SIM, Dual standby Dual cameras (the back one with flash light and auto focus) Wireless internet Gravity sensing system