BLU Studio Selfie LTE Unlocked Phone - Retail Packaging - White 4G LTE, unlocked Dual SIM Phone with Android 5.1 Lollipop Qualcomm Snapdragon 210 1.1GHz Quad-Core Processor, Adreno 304 GPU 8GB Internal memory 1GB RAM Micro SD up to 64GB 5MP Autofocus Main Camera with LED flash and 5MP Front Camera with LED flash 4G LTE, (1/2/3/4/7/17/20), 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 and others.