OPPO A78 5G
Android 13
1 Find "My number"
Press the call icon.
Press the menu icon.
Press Settings.
Press Calling accounts.
Press Operator-related settings.
Press Additional settings.
Press My number.
2 Turn your own caller identification on or off
Press Show number to turn on caller identification.
Press Hide number to turn off caller identification.
3 Return to the home screen
Press the Home key to return to the home screen.