https://us.community.samsung.com/t5/Tips/Testing-Display-How-to/td-p/2616221
Testing Display How to - Samsung Community - 2616221
Aug 8, 2023 - Someone guide me on how to test the display when the back, home, and recent buttons are not working and any part of the display freezes. - 2616221
how tosamsung communitytestingdisplay