HTC Desire 600c was officially announced in August 2013 , Device released in September 2013 HTC Desire 600c made under Desire.Mobile Network Support and BandHTC Desire 600c have Dual Micro SIM Card Slots, HTC Desire 600c support dual mode based on GSM/CDMA based network providers. HTC Desire 600c mobile device support GSM 2G Band Frequency at GSM 900,GSM 1800,GSM 1900, HTC Desire 600c mobile device support CDMA 2G Band Frequency at