Spice Mi-511 Dual Sim was officially announced in January 2015, Device released in January 2015Mobile Network Support and BandSpice Mi-511 Dual Sim have Dual Card Slots,Spice Mi-511 Dual Sim support all GSM Based network providers. Spice Mi-511 Dual Sim mobile device support 2G Band Frequency at GSM 850,GSM 900,GSM 1800,GSM 1900 and Hight Speed 3G Network Band at HSDPA 2100,comes with network handling support with Network settings and work offline with flight Mode.