Lenovo Tab A7-40 was officially announced in April 2014 , Device released in May 2014 Mobile Network Support and BandLenovo Tab A7-40 have No Card Slots, Lenovo Tab A7-40 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 Lenovo Tab A7-40 is a Tablet device and it have device dimension with 197 x 120 x 10 mm, Exactly 198