Answer:
It stands for Subscriber Identity Module
Step-by-step explanation:
SIM cards are computer chips that store data and enable you to access your network. That implies you may call, text, and connect to mobile internet services such as 4G. SIM cards are portable, and you can store messages, contacts, and emails to them. SIM cards connect a specific account to a specific phone; they inform the phone network firm which account is linked to which phone. Customers are typically referred to as subscribers by network operator providers. A SIM card is a type of user card that allows your phone to connect to a network. Also, if you had a phone accidents and you can s imply insert the SIM card in another phone and you may make a call or utilize your data. Just make sure they each utilize the same size SIM card.