Lenovo Yoga Tablet 2 10.1 WiFi was officially announced in October 2014 , Device released in October 2014 Mobile Network Support and BandLenovo Yoga Tablet 2 10.1 WiFi have No Card Slots, Lenovo Yoga Tablet 2 10.1 WiFi 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 Yoga Tablet 2 10.1 WiFi is a Tablet device and