HTC One M9+ was officially announced in April 2015, Device released in May 2015 HTC One M9+ made under One Series.Mobile Network Support and BandHTC One M9+ have Nano-SIM Card Slots,HTC One M9+ support all GSM Based network providers. HTC One M9+ 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 M9+ also support LTE based 4G Networks Support at Frequency