OPPO A57s
Turn notifications on or off
When you turn on notifications, you will be notified about various events such as new email messages, messages from social networks and calendar appointments.
Slide two fingers downwards starting from the top of the screen.
Press the settings icon.
Press Apps.
Press App management.
Press the required app.
Press Manage notifications.
Press the indicator next to "Allow notifications" to turn the function on or off.
Press the Home key to return to the home screen.
1. 1. Find "App management"
2. 2. Turn notifications on or off
3. 3. Return to the home screen