BLU PURE XL Smartphone - 4G LTE GSM Unlocked - 64GB +3GB RAM - Grey 6.0" Wide Quad HD (2560 x 1400) Super AMOLED display transforms the smartphone visual experience at 4 times the resolution of HD + Corning Gorilla Glass 3 Mediatek Helio x10 64-bit 2.0 GHz Octa-Core Processor; enhanced viewing experience powered by MiraVision Picture Quality Engine, Android L v5.1 24MP Main Camera featuring an f/2.3 sensor with sapphire + 6P lens, real-time HDR, and Phase Detection Autofocus (PDAF) and 8MP autofocus wide -Angle Front Camera 64 GB Internal Memory with 3G RAM. Micro SD Slot up to 64GB. Fingerprint Sensor and NFC supported 4G LTE, (2/4/7/17), 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. Please refer the User Guide before use.