LG K4 4G was officially announced in January 2016, Device released in February 2016Mobile Network Support and BandLG K4 4G have Dual Micro SIM Card Slots,LG K4 4G support all GSM Based network providers. LG K4 4G 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 2100,LG K4 4G also support LTE based 4G Networks Support at Frequency level LTE 800,LTE 1800,LTE 2600,comes with network