Samsung has created big waves ahead of the Mobile World Congress 2019, with the new Samsung Galaxy Fold - a phone that folds out into a tablet! At the Samsung Unpacked event, it also announced the Galaxy S10, Galaxy S10+ and a more affordable Galaxy S10e. We go to San Francisco and check out the latest phones in detail! Also on the show - Vivo's pop-out star is back on the new V15 Pro - we review this phone and tell you if it's bang for your buck. Ahead of Mobile World Congress 2019, we bring you all the big expectations and rumours doing the rounds!