Q:

What does it mean when your cell phone says "SIM card is full"?

A:

Quick Answer

When a cell phone says that the "SIM card is full," this most likely this means that the SIM card has reached its maximum storage capacity. A user needs to delete contacts and text messages or upgrade to a larger SIM card for more storage space.

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What does it mean when your cell phone says "SIM card is full"?
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Full Answer

SIM, or Subscriber Identity Module, cards are portable memory chips that store a phone's information. This includes personal information, such as phone number, text messages and contact list. SIM cards need to be individually activated upon purchase, as they are tied to a cell phone account. SIM cards can also be used to conveniently transfer all of this information to a new SIM card-compatible phone.

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