Mobile Network Support and BandXiaomi Black Shark 4 Pro 5G have Dual Nano-SIM Card Slots,Xiaomi Black Shark 4 Pro 5G support dual mode based on GSM/CDMA based network providers. Xiaomi Black Shark 4 Pro 5G mobile device support GSM 2G Band Frequency at GSM: 850/900/1800/1900, Xiaomi Black Shark 4 Pro 5G mobile device support CDMA 2G Band Frequency atand Hight Speed 3G Network Band at WCDMA bands 1/2/4/5/6/8/19,Xiaomi Black Shark 4 Pro 5G also support LTE based 4G Networks