BLU Life Pure XL Full HD, 16MP, 2.2GHz Quad Core, (16GB+2GB RAM) - Unlocked Cell Phones - Retail Packaging - Black 16MP Camera with LED Flash with HD recording (1080p), 8MP Industry Leading Front Camera 16GB Internal Storage with 2GB RAM, Android OS, v4.2.2 (Jelly Bean) 4G HSPA+ 42 Mbps 850/1900/2100: Nationwide AT&T: Cricket Wireless, Straight Talk, Net10, H20 Wireless, 420 Wireless, Black Wireless, Consumer Cellular, Pure TalkUSA, Red Pocket, Telcel America. T-Mobile: MetroPCS, Lyca, Speedtalk, Go Smart, Simple Mobile, Net10, Straight Talk, Solavei, Ultra Mobile, Telcel America, Walmart Family Mobile supported in most areas; check with your service provider. Qualcomm Snapdragon 800 2.2 GHz Quad-core Krait CPU with Adreno 330 GPU 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.