Allview Viva C7 Quad Tablet was officially announced in November 2014, Device released in November 2014Mobile Network Support and BandAllview Viva C7 Quad Tablet have No Card Slots,Allview Viva C7 Quad Tablet not support any GSM Based network providers.and there is no 3G Network Band Support,there is no flight mode support. Device Body Design and Display Allview Viva C7 Quad Tablet is a Tablet device and it have device dimension with 193 x 122 x 9