iPhone X Face ID NOt working after changing screen, installed again old LCD but now still face id not working
Generally, replacing screen will not affect the normal use of Face ID. With our has done some further researches and guess the problem is caused by improper operations during the repair, which results in the damage of flex cables or other components. You can check the link to watch the video and know how we repair iPhone X face ID failure after changing screen.
Video link: https://www.rewatechnology.com/how-to-fix-iphone-x-face-id-failed-after-repairing.html