User manual

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use the realme phone at night, you can turn on Night Shield to cut down on
eye strain and sleeplessness you might get.
6.5. Change auto-lock time
By default, your realme smartphone locks automatically after 30 seconds. To
modify this, alter the amount of time yourself.
Change auto-lock time. Go to [Settings] > [Display & Brightness] > [Auto Screen
off]. Options range from 15 seconds to 30 minutes.
Tip: The longer your display, the more the battery drains.