BLU Studio G LTE Smartphone - GSM Unlocked - Black 4G LTE, Unlocked Dual Sim Phone, Android 5.1. Lollipop 5.0 IPS display; 5MP Autofocus LED flash Main Camera and 2MP front Camera 1.1GHz Quad Core Qualcomm Snapdragon 210 Processor Adreno 304 GPU, 8GB internal Memory 1GB RAM with Micro SD Slot up to 64GB 4G LTE (4,7,17), 4G HSPA+ (850/1700/1900/2100). GSM Quad Band: US Compatibility Nationwide on all GSM Networks including AT&T, T-Mobile, Cricket, MetroPCS, Straight Talk, Pure Talk USA and others. Unlocked, and compatible World-Wide including Brazil, Mexico, Colombia, Venezuela, and other countries