Samsung Galaxy J3 6 User Manual page 280

1. From home, tap Apps
2. Set notification sound options:

Do not disturb: Silence all calls and alerts during scheduled times. You can allow
exceptions.

Notifications on lock screen: Choose whether to display sensitive content and notifications
when the screen is locked.

App notifications: Allow or block notifications from individual apps.
Display Settings
Adjusting your phone's display and wallpaper settings not only helps you see what you want, it can also
help increase battery life.
Display Settings Overview
The display settings menu allows you to configure the following options:
Display Setting
Brightness
Outdoor mode
Font
Settings
> Settings > Sounds and notifications
Description
Set the display brightness.
Increase the screen brightness for 15 minutes to improve screen display
for use outdoors.
Set a default font and font size.
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