ZTE Nubia Red Magic Mars was officially announced in November 2018, Device released in December 2018Mobile Network Support and BandZTE Nubia Red Magic Mars have Dual, (Nano Sim) Card Slots,ZTE Nubia Red Magic Mars support all GSM Based network providers. ZTE Nubia Red Magic Mars mobile device support 2G Band Frequency at GSM 850,GSM 900,GSM 1800,GSM 1900 and Hight Speed 3G Network Band at HSDPA 850,HSDPA 900,HSDPA 1900,HSDPA 2100,ZTE Nubia Red Magic Mars also support