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Changing and activating your SIM

On this page:
How to order and activate a replacement SIM; for example, if your mobile has been lost or stolen or you are changing your device.

Order replacement SIM

Has your mobile been stolen, or would you like to use a new Mobile ID? A new SIM card can be ordered very easily in the My Swisscom Customer Center.

If your device supports the eSIM function, you can also switch to an eSIM. You will keep your current telephone number and switching is free of charge.

Activate replacement SIM

  1. Read letter
    Read the informations you have received with your new SIM. Thus, you may for instance see if in your case specific steps are required in order to activate the SIM.
  2. Save contacts
    Copy the contacts of the current SIM on your phone. Instructions 
  3. Save data
    Save data: make sure you can still access the data currently on your old device (photos, contacts, etc.), when you change device, by saving them for instance on myCloud, Google Photos, iCloud or PC/MAC. 
  4. Insert SIM
    Insert the new SIM in the SIM compartment of the new device. Instructions
  5. Confirm replacement
    You will now receive a SMS with a link. Click on the link in order to confirm the activation the new SIM. 
  6. Restart
    Restart your device.



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