OPPO A54s
Cancelling all diverts
If you no longer wish to divert your calls, you need to cancel the diverts.
Press the phone icon.
Press the menu icon.
Press Settings.
Press Calling accounts.
Press Carrier call settings.
Press Call forwarding.
Press the required SIM.
Press the indicator next to the required divert type.
Press the Home key to return to the home screen.