Microsoft Lumia 430 Dual was officially announced in March 2015, Device released in April 2015 Microsoft Lumia 430 Dual made under Lumia.Mobile Network Support and BandMicrosoft Lumia 430 Dual have Dual Micro SIM Card Slots,Microsoft Lumia 430 Dual support all GSM Based network providers. Microsoft Lumia 430 Dual 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