Mobile Network Support and BandHuawei P smart 2020 have Hybrid Dual SIM (Nano-SIM and dual stand-by) Card Slots,Huawei P smart 2020 support all GSM Based network providers. Huawei P smart 2020 mobile device support 2G Band Frequency at GSM 850,GSM 900,GSM 1800,GSM 1900, - SIM 1 & SIM 2 and Hight Speed 3G Network Band at HSDPA 850,HSDPA 900,HSDPA 1900,HSDPA 2100,Huawei P smart 2020 also support LTE based 4G Networks Support at Frequency level With, 1, 3, 7, 8, 20,comes