realme Book screen does not support anti-blue light. You can turn on the night mode to protect your eye:
1. Click the Start menu at the bottom left corner of the screen
.
2. Open Settings and click System Options.
3. Turn on the Night light.
Article Reference
Official Realme documented guide #2084062
Related Topics
#realme Book anti-blue light#realme Book eye care mode#realme Book night mode feature#anti-blue light support realme book
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