https://newatlas.com/huawei-mate-x-foldable-5g-phone/58610/ > We knew foldable phones would be one of the smartphone trends of 2019, but we're now starting to see the actual devices appear. Days after Samsung took the wrappers off its Galaxy Fold phone, Huawei has been showing off its own foldable Mate X handset at Mobile World Congress 2019.