Galaxy [S8/S8+] [Note8]: Why the bluelight filter cannot be turned on or off?
If you can't turn On/Off the Blue light filter on the device, you can configure it from the settings of the device.
Please check the below steps to Enable the Blue light filter on the device.
1- From the Home page, Go to Settings.
2- Tap on Accessibility.
3- Open the Vision option.
4- Go to Color Adjustment.
5- Disable the Option to be able to use the blue light filter.
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