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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

He also recommended adding a PIN number to the sim card, which can be done in a phone's settings, and the use of authenticator apps to generate random codes, instead of ones sent by text.

From BBC • Mar. 3, 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

They also demanded to know if Mr Matheson still had the iPad and whether he would make public all correspondence from parliament on roaming charge expenses and the need to upgrade the device's sim card.

From BBC • Nov. 13, 2023

Mr Matheson said the reason the bill was so high was because there was an old sim card in the device.

From BBC • Nov. 13, 2023