Mobile World Congress 2017: the biggest news from MWC

Mobile World Congress has begun in Barcelona, with some of the biggest names in tech descending on the city to show off their latest products. We're going to be seeing new phones from the likes of LG, Huawei, and Sony. And although the usual news of Samsung's latest flagship is a no-show this year, we're expecting some new tablets from the South Korean tech company. Oh, and BlackBerry and Nokia will also be making appearances, for those of you who like their tech served with a side order of nost