Have you noticed changes on your smartphone screen? Suddenly you were using the device and noticed a certain shadow in the image, or even remnants of images that should have been displayed at that moment? If so, know that your phone may be suffering from the burn-in effect (Ghost Screen). WHAT IS THE BURN-IN EFFECT (GHOST SCREEN)? Burn-in effect (or phantom screen) is the name given to a permanent discoloration of part of the smartphone screen, caused by the irregular use of pixels. Prolonged