Blu Studio 6.0 HD - Factory Unlocked ("Black") With stylish design and an amazing display Studio 6.0 HD phablet takes your viewing experience to another level 6.0" IPS Display: HD (720x1280) 8MP Camera with LED Flash with HD recording (1080p), 2MP Front Camera Unlocked Dual SIM Phone; 4GB Internal Storage with 1GB RAM and a Micro SD up to 32 GB 1.3 GHz Quad-core Processor with MALI 400 GPU , Android 4.2 Jelly Bean (Upgradeable to Kit Kat V4.4) 4G HSPA+ up to 21 Mbps 850/1900: 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 Amrica, Walmart Family Mobile supported in most areas; check with your service provider. 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.