Original Huawei Mate 20 X 256GB,8GB RAM. 2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2. SIM Hybrid Dual SIM (Nano-SIM, dual stand-by). GSM / HSPA / LTE. Internal 256 GB, 8 GB RAM. 4G bands 1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 17, 18, 19, 20, 26, 34, 38, 39, 40.