Lava Z70 was officially announced in October 2017, Device released in October 2017Mobile Network Support and BandLava Z70 have Dual Card Slots,Lava Z70 support all GSM Based network providers. Lava Z70 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,Lava Z70 also support LTE based 4G Networks Support at Frequency level LTE 2100,LTE 1800,LTE 850,LTE 2300,LTE 2500,comes with network