[https://www.aliexpress.com/item/Tested-Full-Work-Original-Unlock-Motherboard-For-Xiaomi-Mi-Mix-2S-Mix2S-Logic-Circuit-Board-Plate/33006914558.html?spm=2114.search0104.3.103.ce2875f2tPzrLN&ws_ab_test=searchweb0_0,searchweb201602_7_10065_10130_10068_10547_319_10546_317_10548_10545_10696_10084_453_454_10083_10618_10307_537_536_10059_10884_10887_321_322_10103,searchweb201603_52,ppcSwitch_0&algo_expid=f4fd54b0-4381-4998-a3dd-9eeeb31e88c4-15&algo_pvid=f4fd54b0-4381-4998-a3dd-9eeeb31e88c4|Here] is a new chipset. Not sure if you can replace the port.