Hey @Mathieu P,

You should be able to cancel the option in the My o2 app. Please take a look at our FAQs on this topic: 

Greetings,
Flo

Hi @o2_Flo  , and thank you for taking the time to review my case and provide information.

I have reviewed the link you sent and I visited the Mein O2 area to de-activate the data pack.

thanks again for your support.

Regards

Mathieu

Hello @Mathieu P ,

Great that it worked with the deactivation.
Thank you for your feedback.
Feel free to contact us again here in the community at any time if you have any questions. 

Best regards,
Maria