ryan campbell

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  • 18th March 2014

    I believe the form factor of the SIM was agreed upon by the GSM Alliance. CDMA networks however do not use a SIM card, but instead use an IMEI/MEID hard coded into the cellular radio module. New...

  • 18th March 2014

    I believe that SIM cards were and are part of the agreement of the GSM Alliancem CDMA networks do not use a card SIM, but an IMEI/MEID hard coded into the rsdio module.

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