HTC Desire 400 Dual Sim was officially announced in December 2013, Device released in December 2013 HTC Desire 400 Dual Sim made under Desire.Mobile Network Support and BandHTC Desire 400 Dual Sim have Dual, (Mini-SIM) Card Slots,HTC Desire 400 Dual Sim support all GSM Based network providers. HTC Desire 400 Dual Sim mobile device support 2G Band Frequency at GSM 850,GSM 900,GSM 1800,GSM 1900 and Hight Speed 3G Network Band at HSDPA 900,HSDPA 2100,comes with network