HTC Desire 501 Dual Sim was officially announced in December 2013, Device released in February 2014 HTC Desire 501 Dual Sim made under Desire.Mobile Network Support and BandHTC Desire 501 Dual Sim have Dual Micro SIM Card Slots,HTC Desire 501 Dual Sim support all GSM Based network providers. HTC Desire 501 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 2100,HSPDA 800,comes with network