GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 - 3G HSDPA 850 / 900 / 2100 - SIM 1 & SIM 2</br>DISPLAY 5.0 inches Capacitive touchscreen?? 16M colors?? CAMERA 13 MP LED flash Secondary 5 MP</br>OS Android OS?? v4.4.2 (KitKat) MEMORY Internal 8 GB?? 1 GB RAM</br>Card slot microSD?? up to 32 GB (dedicated slot) Not included</br>Unlocked cell phones are compatible with GSM carriers like AT&T and T-Mobile as well as with GSM SIM cards (e.g. H20?? Straight Talk?? and select prepaid carriers). Unlocked cell phones will not work with CDMA Carriers like Sprint?? Verizon?? Boost or Virgin.</br><br/>http://www.amazon.com/gp/product/B01JSZ7FUU