Karbonn Vue 1 was officially announced in March 2019, Device released in March 2019Mobile Network Support and BandKarbonn Vue 1 have Dual Card Slots,Karbonn Vue 1 support all GSM Based network providers. Karbonn Vue 1 mobile device support 2G Band Frequency at GSM 900,GSM 1800 and Hight Speed 3G Network Band at HSDPA 900,HSDPA 2100,Karbonn Vue 1 also support LTE based 4G Networks Support at Frequency level LTE 1800,LTE 850,LTE 2300, (With VoLTE),comes with network