valword V5.5P3 Unlocked Android Smartphone with Quad Core, 3G and GSM Unlocked smartphone guaranteed to work on every GSM carrier worldwide (including US AT&T, T-Mobile,Family mobile,simple mobile, Straight Talk and others, but NOT work with CDMA tower such as verizon sprint) Support Android Google Play store to down load thousands of Apps Support Wifi, Bluetooth, GPS, 3G internet, Micro sd card extention (sd card not included) Dual sim Slots allow you to have two sim phone number standby 1GB RAM,Quad Core CPU and 5.5" Big screen to watching vedio,playing games more smoothly