@Grossi15, you can login to your self serve and click on report lost or stolen phone and that will disable your sim so it can't be used but it won't lock your phone if someone puts another sim in it. What type of phone are you using?
* I am happy to help, but I am not a Customer Support Agent please do not include any personal info in a message to me. Click HERE to create a trouble ticket through SIMon the Chatbot *
