[Galaxy J series 2017] How can I activate the blue filter option?
Step 1. On the Apps screen, tap Settings.
Step 2. Tap Display.
Step 3. Tap Blue light filter
Step 4. Configure the settings.
4-1. Drag the Opacity adjustment bar to adjust the filter’s opacity.
4-2. Set the schedule to apply the blue light filter to the screen.
. • Sunset to sunrise : Set the device to apply the blue light filter at night and turn it off
in the morning, based on your location.
• Custom schedule: Set a specific time to apply the blue light filter.
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