1und1: Activate SIM card - how it works

You can easily activate your 1und1 SIM card online. We show you how to do this in this practical tip.

Activate SIM card from 1und1

1. First log into the 1und1 Control Center from 1und1 with your customer number and password.
2. If you have a SIM card that is not activated at 1und1, a notification window appears immediately.
3. Click on "Activate SIM card" in the note.
4. Your SIM card will now be activated within a few minutes and you can use your cell phone as usual.
5. If that doesn't work, contact 1und1 customer service. The unlocks your SIM card directly.