Huawei has revealed the cost of replacement parts for the world’s first dual-hinged, triple-screen folding phone, and it’s another round of sticker shock. The Mate XT Ultimate Design starts at around $2,809, but should you damage its folding screen enough to need repairs, you’ll be potentially paying an additional 7,999 yuan, or around $1,123, for a replacement OLED panel.cost of replacement…