A Huawei Technologies Mate XT smartphone arranged in Hong Kong on Sep. 24, 2024.Lam Yik | Bloomberg | Getty ImagesHuawei launched its trifold smartphone outside of China on Tuesday, as it plots a comeback in international markets after getting hammered by U.S. sanctions.The Mate XT will have a starting price tag of 3,499 euros ($3,660). Huawei has yet to announce in which countries the model will be available, but the company has told users to look out for local announcements. A CNBC check found...