Samsung Galaxy Note20 5G
Turning Wi-Fi calling on or off
When Wi-Fi calling is turned on, you can make and answer calls using a Wi-Fi network when you're in an area with little or no network coverage. To turn on Wi-Fi calling, you need to establish a connection to a Wi-Fi network, select 4G (LTE) as network mode and follow the steps below. You can also visit the EE web page for more information about Wi-Fi calling.
Press the phone icon.
Press the menu icon.
Press Settings.
Press WiFi Calling.
Press the required SIM.
Press the required setting.
Press the Home key to return to the home screen.