Smart Stay - Samsung Galaxy E5 User Manual

Set the Screen Timeout Delay
Choose how long the display screen remains lit after you tap the
screen or press any key.
1. From a Home screen, tap
2. Tap Screen timeout, and then choose a time period.

Smart Stay

Using the front camera to detect your face, the screen will not time
out as long as you are facing the screen.
1. From a Home screen, tap
2. Tap Smart stay to enable the feature.
Settings
Apps > Settings > Display.
Apps > Settings > Display.
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Display Settings