https://us.community.samsung.com/t5/Galaxy-S24/Smudge-marks-on-my-S24-ultra-screen/m-p/2935076#M35993 Do you have a screen protector on the phone? If you do, those are probably smudge marks under the screen protector, on the device screen. Fri, 28 Jun 2024 09:50:17 GMT MrFixit-USA 2024-06-28T09:50:17Z