1. TURN ON/OFF COMFORT VIEW: Swipe down from the Notification bar, then select the Settings icon.

Step 1

2. Select the Display tab, then select Comfort view.

Step 2

3. Select the Use Comfort view switch.

Step 3

4. Select and drag the Blue light filter slider to the left or the right to manually adjust the level of blue light.

Step 4

5. Select the Black & white switch to view your device's screen in black & white.

Step 5