BLU Dash X Smartphone - Global GSM Unlocked - Black Unlocked Dual Sim Smartphone, Android 5.1 Lollipop 5.0" HD 720x1280: 8MP Main Autofocus Camera with LED Flash and 5MP Front Camera MediaTek Quad Core 1.3 GHz 6580 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, and others, including most 3G UMTS/HSPA+ Networks when roaming outside the US