How to Determine the Difference Between GSM and CDMA SIM Cards

 

Objective

  • Determine the difference between a GSM and CDMA SIM card.

Environment

  • SIM Card

Procedure

The numbers on the SIM card will provide insight into if it's a GSM or CDMA SIM card. If the numbers start with 89011 then it is a CDMA SIM, and if it starts with 89012 then it is a GSM SIM.

Additional Notes

If you were sent both types of cards by Republic Help, then you will need to use the GSM SIM card first.

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Article Created From

  • 1435083

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