BLU Life Play Unlocked Dual Sim Phone with Quad-Core 1.2GHz Processor, Android 4.2 JB, 4.7-inch IPS HD Display, 4G HSPA+ up to 42Mbps and 8MP Camera (Yellow) Unlocked Dual SIM, 4GB storage; Android OS, v4.2 (Jelly Bean), Micro SD up to 32GB; 3G HSPA 850/1900 4.7" IPS Display: HD (1280x720) 8MP Camera with LED Flash with HD recording (1080p), 2MP Front Camera for Video Calling and instant self portraits. 7.9mm Slim 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.