Mobile Network Support and BandHuawei nova 7 SE have Dual SIM (Nano-SIM dual stand-by) Card Slots,Huawei nova 7 SE support dual mode based on GSM/CDMA based network providers. Huawei nova 7 SE mobile device support GSM 2G Band Frequency at GSM 850,GSM 900,GSM 1800,GSM 1900, SIM 1 & SIM 2, Huawei nova 7 SE mobile device support CDMA 2G Band Frequency at CDMA 800,TD-SCDMAand Hight Speed 3G Network Band at HSDPA 850,HSDPA 900,HSDPA 1900,HSDPA 2100,HSPDA 800,1700(AWS),Huawei