How to turn WiFi Calling on your Samsung Galaxy A13 on or off
When WiFi Calling is turned on, you can make and answer calls using a WiFi network when you're in an area with little or no network coverage. To turn on WiFi Calling, you need to establish a connection to a WiFi network and select 4G (LTE) as network mode.
Slide two fingers downwards starting from the top of the screen.
