Videocon Infinium Z51 Punch was officially announced in September 2015, Device released in September 2015Mobile Network Support and BandVideocon Infinium Z51 Punch have Dual Card Slots,Videocon Infinium Z51 Punch support all GSM Based network providers. Videocon Infinium Z51 Punch mobile device support 2G Band Frequency at GSM 900,GSM 1800 and Hight Speed 3G Network Band at HSDPA 2100,comes with network handling support with Network settings and work offline with