BLU Studio C Super Camera -Unlocked Smartphone - US GSM- Green Unlocked Dual Sim Smartphone, with Android 5.0 Lollipop 8MP Main Camera with a Sony IMX179 Sensor combined with a Largan lens - F/2.2 Aperture, 5MP Front Camera with Largan lens and 85 Degree angle. MediaTek Quad core 1.3 GHz Processor with ARM Mali-400 GPU 8GB Internal Memory 1GB RAM Micro SD up to 64GB GSM Quad Band 4G HSPA+ (850/1700/1900): US Compatibility Nationwide on all GSM Networks including AT&T, T-Mobile, Cricket, MetroPCS, Straight Talk, Pure Talk USA and others Unlocked Dual Sim Smartphone, with Android 5.0 Lollipop 8MP Main Camera with a Sony IMX179 Sensor combined with a Largan lens - F/2.2 Aperture, 5MP Front Camera with Largan lens and 85 Degree angle. 1.3 GHz Quad core Mediatek processor with ARM Mali-400 GPU 8GB Internal Memory 1GB RAM Micro SD up to 64GB GSM Quad Band 4G HSPA+ (850/1700/1900): US Compatibility Nationwide on all GSM Networks including AT&T, T-Mobile, Cricket, MetroPCS, Straight Talk and others