A smartphone or phone that can hold two different SIM cards simultaneously is called a dual SIM device. Having two SIMs means we can use any SIM card as we wish to initiate phone calls from that dual SIM smartphone. That’s why a dual SIM system is very important.
Samsung Galaxy A73 5G phone is based on a Dual SIM system through which you can use two SIM cards in this phone at a time. We usually use one SIM card for talking and another for data usage. So this has become a really important thing for us.