eli5:How is a SIM card identified as switched off and not just outside of a phone instead?

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Like, I lost my sim card. I’m sure it’s somewhere in my home. I have a ton of old phones. When I call the number it says switch off, I wanna know if it’s the same even if the sim is outside of a mobile? How does it all work.

In: Technology

4 Answers

Anonymous 0 Comments

does it say “the phone is switched off” or a different message? It’s quite likely that it’s just a generic network message. they can’t see if a sim is in a turned-off phone or if it’s sat on a shelf, they just know they can’t connect to a phone that has that sim card in it

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