Huawei introduced its updated Mate Xs foldable smartphone at a press conference on Monday. The device comes with an updated chipset and 5G support, a new more robust hinge and the latest EMUI 10, but carries a heftier price tag as well. When Richard Yu introduced the phone, he said it will be available for sale next month, but gave few details beyond that. Now we get a bit of extra info and unsurprisingly China will be the first country where the Huawei Mate Xs will be available with sales scheduled to open on March 5. The Mate Xs keeps most of the neat features its predecessor...