What is a SIM card? SIM stands for ‘ Subscriber Identification Module ’. It is an integrated circuit , or a microchip, that identifies the...
What is a SIM card?
SIM stands for ‘Subscriber Identification Module’.
It is an integrated circuit, or a microchip, that identifies the subscriber on a given network.
Individulas are identified by a number, called the international mobile subscriber identity (IMSI).
The SIM card is a sub