Unnecto Quattro X Gray - Unlocked Cell Phones - Retail Packaging - Gray Unlocked Dual SIM Phone, Dual Core 1.2 GHz Processor, 5MP Main Camera 1.0 MP Front camera, LED Flash High Dynamic Range (HDR) Photos, Face/Smile Detection, Panorama Capable 4.0" HVGA IPS Capacitive Touch screen 4G HSPA + 21Mbps GSM 850/900/1800/1900 HSDPA 850 / 1900/2100 Nationwide AT&T: Cricket Wireless, Tracfone, Straight Talk, Net 10, H20 Wireless, 420 Wireless, Black Wireless, Consumer Cellular Pure , Red Pocket, Telcel America. T-Mobile: , Lyca, Speed talk, Go Smart, Simple Mobile, Net 10, Straight Talk, Solavei, Ultra Mobile, Telcel America, Walmart Family Mobile. Pure