Microsoft Lumia 435 was officially announced in January 2015, Device released in February 2015 Microsoft Lumia 435 made under Lumia.Mobile Network Support and BandMicrosoft Lumia 435 have Micro-SIM Card Slots,Microsoft Lumia 435 support all GSM Based network providers. Microsoft Lumia 435 mobile device support 2G Band Frequency at GSM 900,GSM 1800 and Hight Speed 3G Network Band at HSDPA 900,HSDPA 2100,comes with network handling support with Network settings