Samsung SM-J120W User Manual page 27

Basics
You can use the following functions on the notification panel.
Quick setting buttons
Adjust the brightness.
Tap a notification and perform
various actions.
Using quick setting buttons
Tap quick setting buttons to activate some features. Swipe to the left or right on the buttons
area to view more buttons. To view more detailed settings, tap and hold a button.
To rearrange buttons, tap EDIT, tap and hold a button, and then drag it to another location.
Launch Settings.
Rearrange quick setting buttons.
Maximize brightness for better
visibility in bright conditions.
Clear all notifications.
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