Eli5: how do SIM cards give your phone access to internet?

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How is it that by just putting a SIM card into your phone you have access to 4G/5G?

In: Technology

8 Answers

Anonymous 0 Comments

A SIM card acts as your phone’s ID and password to your mobile carrier. It’s like going to a cool club. To get in you gotta show your ID and give the secret code.

You show your ID and password and the mobile phone carrier lets you on to their network, which has connection to the internet

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