Allview Viva H8 LTE Tablet was officially announced in December 2014, Device released in December 2014Mobile Network Support and BandAllview Viva H8 LTE Tablet have Yes Card Slots,Allview Viva H8 LTE Tablet support all GSM Based network providers. Allview Viva H8 LTE Tablet mobile device support 2G Band Frequency at GSM 900,GSM 1800,GSM 1900 and Hight Speed 3G Network Band at HSDPA 900,HSDPA 2100,Allview Viva H8 LTE Tablet also support LTE based 4G Networks Support