Is it possible to change the SIM card holder?
The procedure for transferring a SIM card from one user to another is as follows:
Log in to the IoT Portal (click here https://www.thingsmobile.com/login and enter your username and password)
Select a SIM card in the “List of SIM cards” section by clicking in the box to the left of it
Select “Transfer SIM card to another user” in the menu at the top
Enter the username of the user to whom you wish to transfer the SIM card If the user does not exist yet, create a new user by following the procedure described here: https://helpcentre.thingsmobile.com/article/1524-creating-a-new-account
Click “CONTINUE” to confirm
The selected user will receive an email with a link that must be clicked in order to accept the transfer
Once it has been accepted, the SIM card will be transferred from one account to the other
Items such as the credit, plan and SIM card records are not transferred.