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1and1: SIM-card-activate - how to

  • Oct 29, 2025
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Your 1und1 SIM card you can activate online. For details on the procedure, we will show you in this practical tip.

SIM card from 1and1 to enable

  1. First, log in with your customer number and your password in the 1and1 Control Center 1and1 is a.
  2. If you have a non-activated SIM card in the case of 1and1, you will see a note window.
  3. Click in the note on "SIM card to activate".
  4. Your SIM card will be activated within a few minutes and you can use your phone as usual.
  5. If that doesn't work, please contact 1and1 customer service. The unlock SIM card directly.
1 and 1: SIM card to activate
As in the case of 1and1 customer advertise can, you will learn in our next article.

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