What Does SIM Stand For?

SIM stands for Subscriber Identity Module

SIM, or Subscriber Identity Module, is a smart card used in mobile devices to securely store a user's International Mobile Subscriber Identity (IMSI), enabling access to cellular networks. It authenticates the user to the network and allows for the management of personal information such as phone number and services subscribed to. SIM cards also facilitate secure communication and data encryption, enhancing overall mobile security.

Category : Other

Added on 6th November 2007 | Last edited on 18th June 2025 | Edit Acronym

Other Meanings for SIM