Lenovo Ideapad MIIX 300 was officially announced in March 2015, Device released in July 2015Mobile Network Support and BandLenovo Ideapad MIIX 300 have No Card Slots,Lenovo Ideapad MIIX 300 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 Ideapad MIIX 300 is a Tablet device and it have device dimension with 215 x 130 x 10 mm, Exactly 215 x 130