Huawei's new foldable phone is worth a conversation. The Mate XT Ultimate Design is the world's first tri-folding phone that shoppers can actually buy in stores. (Other phone-makers have created ...

That's not the case with the Mate XT, though. On the contrary, Huawei has designed this foldable slate to be incredibly thin - just 3.6mm when opened, and 12.8mm when closed. That latter dimension ...