Two Chinese folding phones have made their international debut ahead of MWC, and their existence asks a major question of the industry – are foldables really the next evolutionary step in mobile phones, or are consumers fine with our current single-pane paradigm? Huawei’s Mate XT Ultimate is the first tri-fold design. It was released in China in September 2024, but has now expanded to the rest of the world – bar the US, of course. It is a substantial unit, but the ability to expand to three screens is an eye-catching trick. For Oppo, which now owns OnePlus, the Find N5 is a conventional foldable, but which is packaged in the same physical dimensions as a regular smartphone. The two…