Samsung Galaxy A03s
Android 11.0
1. Find the required contact
Slide your finger upwards on the screen.
Press Contacts.
Press the required contact.
2. Select SIM
Press arrow right.
Press the required setting.
3. Call a contact in your address book
Press the call icon.
4. End call
Press the end call icon.
5. Return to the home screen
Press the Home key to return to the home screen.