4G Works in USA Unlocked ZTE Nubia Z7 Max - White 5.5 inch IPS 1080p Android 4.4 Smart Phone Phablet Snapdragon 801 MSM8974AC Quad Core 2.5GHz RAM 2GB ROM 32GB Dual SIM TD-LTE FDD-LTE WCDMA CDMA GSM Network - Free TPU Case Brand & Model: Nubia Z7 Max, CPU: Snapdragon 801 MSM8974AC Quad Core 2.5GHz, Operation System: Android 4.4 RAM: 2GB, ROM: 32GB Support GPS, OTG, NFC, Dual SIM Network type: TD-LTE & FDD-LTE & WCDMA & CDMA & TD-SCDMA & GSM Network 13.0MP Camera 3100mAh Li-ion battery IR Blaster FM Radio 4K Video Recording