When you are in a dark environment, you can turn on the flashlight by the following methods.
Turning on method:
Method 1:
Pull down the status bar and click on the control center 
.
Method 2:
realme UI 7.0 & 6.0: Settings > Accessibility & convenience > Gesture & motions > Screen-off gestures > Draw V to turn on/off Flashlight
realme UI 5.0 & 4.0: Settings > Additional settings > Gesture & motions > Screen-off gestures > Draw V to turn on/off Flashlight
realme UI 3.0: Settings > System settings/Convenience tools > Gesture & motions > Screen-off gestures > Draw V to turn on/off Flashlight
realme UI S & T & R & Go & U Edition: Not supported
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