What should I do if I have lost my smartphone or if it has been stolen?

  • Block SIM card: Contact your mobile provider immediately to block the SIM card.
  • Locate and erase device: Use features such as “Find My iPhone” or “Android Device Manager” to locate your device or erase its data.
  • Notify customer service: Report the loss to customer service right away so your cards can be blocked and replaced.

Customer service: +41 58 958 84 00

Was this answer helpful?

How can we help you?

one Assist is our AI assistant that helps you with your questions. By using it, you accept our Terms of Service.