In IoT, the SIM may not easily be changed via physical access to the device or may be used in an environment that requires a soldered connection. Imagine for example an industrial IoT application were a connected machine operates in remote, technically hard to access location, physical replacing the SIM would be very expensive and disruptive in the production process. Thus there is a need for ‘over-the-air’ provisioning of the SIM with the same level of security that is achieved today with the traditional removable SIM.
The GSMA Embedded SIM Specification makes this possible. It has been backed by over twenty operators, two leading M2M Alliances and a host of OEMs. The complete set of documents relating to the GSMA Embedded SIM Specification can be accessed via this IoT Knowledgebase.
GSMA members can access confidential information related to this topic here.