- Determine the difference between a GSM and CDMA SIM card.
- SIM Card
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.
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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