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Warum O2
Warenkorb
Service
I would like to cancel my subscription but I don't know how to do that. Could anyone help me?
Which subscription?
I mean my contract
You can terminate your contract by letter or fax: https://www.o2online.de/service/vertrag-tarif/kuendigung/



Here is an example: https://static2.o9.de/blob/13065854/v=7/Binary/faxvorlage-kuendigung-mobilfunkvertrag-pdf-download.pdf

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