HTC One E9 was officially announced in June 2015, Device released in June 2015 HTC One E9 made under One Series.Mobile Network Support and BandHTC One E9 have Dual, (Nano Sim) Card Slots,HTC One E9 support all GSM Based network providers. HTC One E9 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,HTC One E9 also support LTE based 4G Networks Support at Frequency