What should I do if my SIM card is/was lost/stolen? : Supportcenter

What should I do if my SIM card is/was lost/stolen?

Please follow these steps if your SIM card is missing or stolen.

If you have activated the value added services on the SIM card, then make sure that all value added services on the SIM card are deactivated. This way you can avoid unwanted charges. You can deactivate them in the same way as you activated them. How can I activate value-added services?
Contact our support here so we can block your SIM card.

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⚠️ Due to an increased volume of phone calls, we are unfortunately unable to answer all calls. We apologize for this and ask for your understanding.