ANSWERS: 1
  • A SIM card (subscriber identification module) is a microchip, which stores user information, such as phone numbers. A SIM card is similar to a hard disk making switching from one phone to another easy. Only carriers on the GSM network use SIM cards, Sprint is on the CDMA network and does not use SIM cards.

    Source:

    Wise Geek: What are unlocked cell phones

Copyright 2023, Wired Ivy, LLC

Answerbag | Terms of Service | Privacy Policy