Adding and switching eSIM profile

[Nikint]

Hello team,

We are developing a custom board on which eSIM is used for cellular connection. We will use Serial LTE modem application to control cellular modem through another MCU.

Following are some queries related to eSIM -

1. How to switch profiles on eSIM using AT commands? Need detailed procedure.

2. We want detailed procedure for adding new profile (Through M2M solution) on the eSIM. (Basically what needs to be handled from MCU side)

3. Does switching and adding new profile requires any additional GPIO pins? (Apart from basic eSIM connections)

Thank you.

[Øyvind]

Hello, 

How to switch profiles on eSIM using AT commands? Need detailed procedure.

The modem can handle the switching automatically. We would recommend reading our AT commands documentation on UICC access commands, specifically +CSIM and +CRSM commands which are standard. Your SIM card provider should be able to provide the procedure to you. 

We want detailed procedure for adding new profile (Through M2M solution) on the eSIM. (Basically what needs to be handled from MCU side)

On the application side, there is nothing to be done.  This is handled automatically by the SIM card provider's system, and the SIM card. The modem provides the necessary communication channels. Have a look at the GSMA eSIM Whitepaper - The what and how of Remote SIM Provisioning  

Does switching and adding new profile requires any additional GPIO pins? (Apart from basic eSIM connections)

No, there are no additional GPIO pins needed.

Kind regards,
Øyvind

[Nikint]

Hi Øyvind,

Thank you for the reply!!

Concept of eSIM profile switch is cleared from your reply. We will come up with other queries in near future if any.

Thank you.