ZTE Small Fresh 4 was officially announced in July 2016, Device released in July 2016Mobile Network Support and BandZTE Small Fresh 4 have Hybrid Dual Sim, (Nano Sim) Card Slots,ZTE Small Fresh 4 support all GSM Based network providers. ZTE Small Fresh 4 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 Small Fresh 4 also support LTE based 4G Networks Support