Apart from a physical SIM card or e-SIM, a WiFi calling system is another communication method. One can communicate with others without using a physical SIM card only through a WiFi connection. Find out if the Samsung Galaxy A73 5G phone supports Wi-Fi calling.
Samsung Galaxy A73 5G Wifi Calling
One of the features of the Samsung Galaxy A73 5G phone is the WiFi calling system. You will get the facility of WiFi calling on the phone. Doing this allows you to communicate with your friends or acquaintances without using a SIM card. But for this, you need to have a wifi connection. Moreover, it is not possible.