Samsung J3 Pro - System Configuration

Settings
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One-handed operation : Activate one-handed operation mode for your convenience
when using the device with one hand.
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Screen timeout : Set the length of time the device waits before turning off the display’s
backlight.
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Daydream : Set the device to launch a screensaver when the device is charging.
Applications
Manage the device’s apps and change their settings.
On the Settings screen, tap
Applications .
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Application manager : View and manage the apps on your device.
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Application permissions : Specify functions to use for each app.
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Default applications : Select a default setting for using apps.
Wallpaper
Change the wallpaper settings for the Home screen and the locked screen.
On the Settings screen, tap
Wallpaper .
Lock screen and security
Change the settings for securing the device and the SIM or USIM card.
On the Settings screen, tap
Lock screen and security .
The available options may vary depending on the screen lock method selected.
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Screen lock type : Change the screen lock method.
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Show information : Change settings for the items displayed on the locked screen.
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Unlock effect : Select an effect that you see when you unlock the screen.