https://www.cnet.com/news/galaxy-fold-vs-huawei-mate-x-battle-of-the-foldable-phones-comparison-mwc/ > But here's what we know about them so far, and how they both plan to take control of our brave new foldable world. > Does your phone fold in or out? Samsung's Galaxy Fold takes the form of a book, with its largest screen on the inside, protected by the outer "cover." Except in this case, one of the "covers" has a screen on it.