Alcatel One Touch Pop C9 7047D Android, GSM Quadband Dual SIM, Unlocked - Bluish Black Mega 5.5" display GSM 850 / 900 / 1800 / 1900 HSDPA 900 / 2100 8.0MP Camera Quad Core Processor, a powerful processor easily load apps, games, movies & web pages 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.