Lava Ivory M4 Tablet was officially announced in December 2015, Device released in December 2015Mobile Network Support and BandLava Ivory M4 Tablet have Yes Card Slots,Lava Ivory M4 Tablet support all GSM Based network providers. Lava Ivory M4 Tablet 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.