Zen Ultrafone 402 Pro was officially announced in March 2015, Device released in March 2015Mobile Network Support and BandZen Ultrafone 402 Pro have Dual Card Slots,Zen Ultrafone 402 Pro support all GSM Based network providers. Zen Ultrafone 402 Pro 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 and work offline with flight Mode.