If your Galaxy A01 isn't receiving calls or alerts for texts and email, here's how to check 'Do not disturb' settings.
Do either of the following:
To activate / deactivate immediately, tap the
Do not disturb switch
to turn on or off.
To manage a 'Do not disturb' schedule, tap the switch to the right of the preferred schedule(s) to turn on or off.
To create a new schedule, tap
Add schedule
.
To edit an existing schedule, tap the schedule name then configure as desired (e.g., Days, Start time, etc.).
Calls, messages, and conversations
Alarms and sounds
Apps
Tap the
Back icon

to return to the previous screen.
Tap
Hide notifications
then the preferred notification setting to turn on or off.