Sims how does it work

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This is an article from Curious Kids , a series for children. My name is Leo. I am 5 years old and I live in Sydney. My question is how do SIM cards make a phone work? The three networks we have in Australia are owned and operated by Telstra, Optus and Vodafone. When you choose a network, you usually sign up to an account plan with that company for example, agreeing to pay a certain amount per month. Then, you need to activate the plan switch it on.

A SIM card is a customer card that lets your phone connect to the network. Read more: Time to disconnect: why the SIM card has had its day.

Mobile phones allow us to do many other things too. Apart from making calls to people on our network, on other networks and in other countries, we can use phones to connect to the internet.

We can message each other. And we can keep an eye our accounts to see how much money we are spending. All this information is stored in our account details. And the SIM card is an important part of keeping track of your account details. Keep me logged in on this device Forgot your username or password?

Don't have an account? Sign up for free! How do you choose what the sims do at work? I know they can so I only telling me if they actually know how. User Info: angryperson Yeah you can. User Info: kingflirt. Once your Sim is at work or school, there is this suitcase icon, you can click that, and alot of options pop up, you decide which one, but they might get tense on some of them! User Info: Simsalovah.