![The Nokia 6 will be available soon, exclusively in China.](/web/20170112162851im_/http://www.smh.com.au/content/dam/images/g/t/o/6/n/b/image.related.wideLandscape.460x259.gto3th.png/1483931694965.jpg)
Zombie phone brands return from the grave
Thousands of tech enthusiasts descending on Las Vegas for CES last week may have felt like they'd seen a ghost or two, with smartphones bearing the names of Nokia and BlackBerry appearing like apparitions among the futuristic robots and shiny new things.