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• SIM card
  SIM card

  noun

  Subscriber Identity/Identification Module: a removable card inside a cell phone that stores data unique to the user, as an identification number, passwords, phone numbers, and messages.
• SIM Card
  SIM Card

  acronym

  subscriber identity module card; a small card used in a mobile phone to store data about the network, telephone number, etc

SIM card

American  

[sim] / sɪm /

noun

1. Subscriber Identity/Identification Module: a removable card inside a cell phone that stores data unique to the user, as an identification number, passwords, phone numbers, and messages.

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SIM Card British  

acronym

1. subscriber identity module card; a small card used in a mobile phone to store data about the network, telephone number, etc

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Etymology

Origin of SIM card

First recorded in 1990–95

Example Sentences

By law, you can only buy a sim card with your national ID, and the security services have access to telecom operators' infrastructure.

From BBC • Sep. 5, 2025

The mother-of-two's phone was also found, by her family, under her bed smashed with the sim card missing after officers left.

From BBC • Feb. 28, 2025

The phone shop would not even give him a sim card.

From BBC • Dec. 22, 2023

It should be noted that the MSP was no stranger to the IT office - he had been in previously to have the sim card on his mobile phone swapped over to the new provider.

From BBC • Nov. 14, 2023

It then transpired that the sim card in the iPad should have been updated a year earlier, when the parliament changed data provider from EE to Vodafone.

From BBC • Nov. 14, 2023