Optimize Screen Edge Colors on Your Galaxy S8 & S8+
Adjust the colors at the edges of the screen to change the appearance of white tones. Only use this if further adjustment is needed near the edges after adjusting the full screen color balance.
Optimizing Screen Edge Colors
From the Home screen, swipe down and select Settings.
Touch Search (magnifying glass), then search for and select Screen mode.
Swipe to and select Advanced options under FULL SCREEN COLOR BALANCE.
Touch Screen edge color balance.
Adjust the color at the edges of the screen using the color scale and then touch APPLY. Make sure your mobile device is charged more than 30% to begin the process.
To confirm the optimization, touch OK.
Your mobile device may restart up to 2 times to complete the optimization. When the optimization is complete, the mobile device displays your Home screen.