Klarmobil: Activate SIM card

If you have bought a SIM card from Klarmobil, you must activate it before using it. We'll show you how it's done.

Activate SIM card on Klarmobil

1. Open the following Klarmobil website and enter your phone number there.
2. Leave your personal data and choose the desired tariff.
3. If you confirm the process, your SIM card will be activated by Klarmobil.
4. Note: It can take a few minutes to hours for your SIM card to be ready for use.
5. As an alternative to online activation, you can reach the activation hotline at 040 34 8585 200.