ZTE Blade D was officially announced in March 2016 , Device released in March 2016 Mobile Network Support and BandZTE Blade D have Micro-SIM Card Slots, ZTE Blade D support all GSM Based network providers. ZTE Blade D mobile device support 2G Band Frequency at GSM 900,GSM 1800 and Hight Speed 3G Network Band at HSDPA 900,HSDPA 2100, ZTE Blade D also support LTE based 4G Networks Support at Frequency level LTE 800,LTE 1800,LTE 2600,