Nokia 7.1 (Android One) was officially announced in October 2018, Device released in October 2018Mobile Network Support and BandNokia 7.1 (Android One) have Hybrid Dual Sim Card Slots,Nokia 7.1 (Android One) support all GSM Based network providers. Nokia 7.1 (Android One) mobile device support 2G Band Frequency at GSM 900,GSM 1800,GSM 1900 and Hight Speed 3G Network Band at HSDPA 850,HSDPA 1900,HSDPA 2100,Nokia 7.1 (Android One) also support LTE based 4G Networks Support