BLU Studio G HD - 5.0" Smartphone - Global GSM Unlocked - Gold Unlocked Dual Sim Smartphone, Android V5.1 Lollipop 5.0" HD Curved touch panel display with IPS (720x1280) 5MP Autofocus Main Camera and 2MP Front Camera + LED Flash MediaTek Quad Core 1.3GHz Processor with MALI 400 GPU, 8GB Internal Memory 1GB RAM Micro SD up to 64GB GSM Quad Band 4G HSPA+ (850/1900/2100): US Compatibility: AT&T, T-Mobile, Cricket, Metro PCS, and others, including most 3G UMTS/HSPA+ Networks when roaming outside the US