You notice faint ghostly images retained on your Galaxy S23 display, even after changing screens. This permanent discoloration, called screen burn-in, can afflict the S23’s vibrant AMOLED screen.

While AMOLED displays have come a long way since the days of bad burn-in, protections are still needed. That’s why it was confusing that Samsung’s One UI 6 update broke burn-in protection for many ...