Hello, I have the same issue when I log in I find my name and my birth date totally incorrect 

o2_Giulia, 24.04.2024, 15:47: verschoben von

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call this hotline:

Hello @mragab,

welcome to our o2 Community

Do you have an already activated SIM card or are there problems with the Post Ident procedure?

It also depends on whether it's just an obvious typo or whether the data is completely wrong.

In the first case, our customer service can help you quickly; in the second case, a change of contract owner must be carried out.

Best regards

Giulia

o2_Giulia, 24.04.2024, 15:47: verschoben von

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@o2_Giulia  It’s the second case where the data is totally wrong. I just bought the sim card from a shop. And there is no contract. So for the form you provided what can I do with it? fill it and what is the next step then?

o2_Giulia, 25.04.2024, 14:30: verschoben von

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@o2_Giulia  It’s the second case where the data is totally wrong. I just bought the sim card from a shop. And there is no contract. So, for the form you provided what can I do with it? Fill it out. What is the next step?

Hello @mragab,

so if I understand you correctly, the card was already registered by another person?

This would of course be a mistake on the part of the shop where you purchased the card and should be complained about there.

If you absolutely want to keep the phone number, you can fill out the form for change of ownership and send it to the address provided on top of the form.

Otherwise you can also order a new prepaid card online here:  Prepaid-Tarife: Günstig für Handy & Internet | o2 (o2online.de)

Best regards

Giulia