BLU Life Pro Unlocked Phone (Black) GSM Quadband 850/900/1800/1900, 4G HSPA+ 850/1900, Android OS, v4.2 (Jelly Bean) 5.0" IPS Display: HD (1280 x 720) with 1.5 GHz Quad Core Processor 12MP Camera with LED Flash with HD recording (1080p), 5MP Front Camera for Video Calling and instant self portraits. 6.9 mm Slim Aluminum Body Design BLU Next Lens Technology: "One Glass Solution" 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.