HP Slate 7 Plus was officially announced in December 2013 , Device released in December 2013 Mobile Network Support and BandHP Slate 7 Plus have No Card Slots, HP Slate 7 Plus 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 HP Slate 7 Plus is a Tablet device