To use the Voice Roaming Option (international calls and text messages) and Flat Mobile as well as value-added services, you need the following:
1. Active voice package or Flat Mobile:
You need an active voice package on your SIM card or the Flat Mobile package. You can find information on activating the Voice Option as an existing customer here: How can I activate the voice option?
2. Valid means of payment:
A valid means of payment must be stored in your customer account.
How can I add/change my Payment Method?
3. Valid Swiss ID and address:
You need a valid Swiss passport/ID or a residence permit (except N) and a Swiss address.
Important information
Add missing data and re-verify
If you did not enter all the required data when you registered or if you need to verify your data again, you can easily do so using our contact form. Please provide us with the following information:
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