Lenovo IdeaTab A1000 was officially announced in February 2013 , Device released in May 2013 Mobile Network Support and BandLenovo IdeaTab A1000 have No Card Slots, Lenovo IdeaTab A1000 not support any GSM Based network providers. and there is no 3G Network Band Support, comes with network handling support with Network settings and work offline with flight Mode.Device Body Design and Display Lenovo IdeaTab A1000 is a