Xiaomi Redmi 7 was officially announced in March 2019, Device released in March 2019Mobile Network Support and BandXiaomi Redmi 7 have Dual, (Nano Sim) (Dual VoLTE) Card Slots,Xiaomi Redmi 7 support all GSM Based network providers. Xiaomi Redmi 7 mobile device support 2G Band Frequency at GSM 850,GSM 900,GSM 1800,GSM 1900 and Hight Speed 3G Network Band at HSDPA 900,HSDPA 2100,Xiaomi Redmi 7 also support LTE based 4G Networks Support at Frequency level LTE 800,LTE 1800,LTE