How is a UICC card different from a SIM card?

cuetip

I pulled the battery on my LG Android phone, and it looked as if it had a SIM card, but I was told that it did not have a SIM, it had a UICC card instead. My phone is on a CDMA carrier, and as far as I know only GSM networks use a SIM card, so it makes sense that mine is not one. What is a UICC card used for?

Tags: SIM card, UICC
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jimlynch
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UICC
http://en.wikipedia.org/wiki/UICC

"The UICC (Universal Integrated Circuit Card) is the smart card used in mobile terminals in GSM and UMTS networks. The UICC ensures the integrity and security of all kinds of personal data, and it typically holds a few hundred kilobytes.[1] With the advent of more services, the storage space will need to be larger."

wstark
Vote Up (6)

UICC is essentially a next-gen SIM card, and has applications beyond GSM networks. In your case, it is probably being used to enable 4G/LTE, since one of the things it does is identify what type of device you are using and your plan. It can also store your contacts so you can easily transfer them from device to device.

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