LANDVO L900 Smartphone 5.0 Inch QHD Screen MTK6582 Quad Core 1.3GHz Andriod 4.2 3G GPS OTG Unlocked Quadband 3G Dual Sim Cell Phone (white) Networks:2G:GSM 850/900/1800/1900MHz ;3G:WCDMA 850/2100MHz Android 4.2MTK6582,Quad core 1.3Ghz,1GB RAM + 4GB ROM 5.0 Inch 960*540P Capacitive Screen, Dual Camera,Front: 2.0 mega pixels, Rear: 5.0 mega+AF pixels Other Features:GPS Navigation,Email,FM Radio,MP3 Playback,Touchscreen,QWERTY Keyboard,Bluetooth,Wi-Fi,Memory Card Slots,Video Player,Gravity Response,Front Camera,Message,HD Video Player,GPRS 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.