I have the same issue on 2 phones. The issue is unknown, but I do notice this only happens on phones that do not have a screen protector installed. I own many samsung devices, and the only 2 devices with this issue never had a screen protector. Perha...

its not a screen protector thing, i have the same issue on 2 phones. A Galaxy S7 and a Galaxy S21. There are odd bubbles under the screen, and there is NOT a screen protector installed. Its also not dead pixels, as the screen works perfectly fine and...