Samsung Galaxy S21 5G User Manual page 149

Settings
Screen timeout
You can set the screen to turn off after a set amount of time.
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From Settings, tap
NOTE Prolonged display of non-moving images, excluding Always On Display,
may result in permanent ghost-like afterimages or degraded image quality. Turn
off the display screen when not in use.
Accidental touch protection
Prevent the screen from detecting touch input while the device is in a dark place,
such as a pocket or a bag.
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From Settings, tap
feature.
Touch sensitivity
Increase the touch sensitivity of the screen for use with screen protectors.
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From Settings, tap
Show charging information
Battery level and estimated time until the device is fully charged can be displayed
when the screen is off.
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From Settings, tap
Display > Screen timeout, and tap a time limit to set it.
Display > Accidental touch protection to enable the
Display > Touch sensitivity to enable.
Display > Show charging information to enable.
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