Samsung GALAXY J7 Manual page 6

Additional customization options
From a home screen, swipe up, and tap Settings
customize, connect or turn on options to personlize
your phone:
CONNECTIONS
Connect to a Wi-Fi network, Bluetooth device and other
connection options.
SOUNDS AND VIBRATION
Set device volume and notification sounds.
DISPLAY
Customize the home screen and display brightness.
LOCK SCREEN
Select a screen lock type and set security options.
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