Mein o2

  • 26 January 2018
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Mein o2
Benutzerebene 7

You want to check your data usage? Have a look at your invoice? Set the information about third party providers? Or maybe you want to extent your contract? In “Mein o2” you can do many things right on your own! 



To the most important features and settings which you can use on Mein o2 we want to introduce you here. 

After you’ve logged in at the web browser (click) or in the app (click) you’ll find this menue on the left side:


If you forgot your username/ password check this FAQ: 

There you’ll find all the necessary information about how to register or where to find your login details.


First: Your contract overview. Second: Tariff & sim card information. Third: Tariff change & Contract Extensions. Fourth: Personal offers.
Fifth: Invoices. Sixth: Orders. Seventh: Personal Data. Eighth: Messages. 

If you have more than one contract with the same customer ID you can see all these tariffs and switch between them. If you have several contracts with different customer IDs you will have to log in separately with each number into Mein o2. To make this easier you can apply for combining your mobile numbers to one customer ID.



First: Contract overview


The information that you find here are the number of days left in your billing month, the data usage where you can select the overview of inland and the EU or switch to “Restliches Ausland” which means remaining foreign countries. If you want to increase the data volume you can use the blue button underneath (“Datenvolumen erhöhen”).

Second: Tariff & sim card information


Here you find 3 topics:

Tariff details

  • tariff options - start, end, run time, latest date for cancellation 
  • You can find the links to: 
    • extension of your contract 
    • mark your cancellation
    • change owner of your contract
    • abandonment of your contract (for a period of 2-12 months if you’re living abroad for some time; it’s not a cancellation)
  • Further: 
    • landline number
    • tariff options 
    • overview of all your cotract costs 

Sim card


  • apply to port your mobile number to your o2 tariff
  • apply to port your o2 mobile number to another provider 
  • change of mobile number 
  • change the owner of the contract
  • mark your cancellation (afterwards you'll need to call a number to confirm the cancellation)
  • abandonment of your contract (2-12 months while abroad)
  • phone book entrance
  • legitimation for young people
  • information about network coverage 
  • itemised bill options




Third: Tariff change & Contract Extensions


At first you can choose an option which you like. While going on you need to check your personal data and your product and at the end you’ll be able to finish your extension. If you’re not happy with the offers which you see here you can contact us here in the o2 community! Therefore we need the information which phone and tariff you’d like to use and we’ll contact you with an offer. 





Fourth: Personal offers


Here you can check for further offers concerning a partner card/ partner tariff, special offers for extending your contract, offers for mobile phones + tariffs, data tariffs for tablets, new mobile phones without tariffs or DSL tariffs. 




Fifth: Invoices



First: Invoices. Second: Premium services. Third: Annual survey.


  • invoices per month, and if activated:
  • itemised bill

Both for download.

Premium services

Here you find all the premium services, like third party assets, and also phone calls to several numbers starting e.g. with 0900-, (0)118-.

Annual survey



Sixth: Orders

In this part of Mein o2 you would see open orders that you have and also your completed orders.



Seventh: Personal Data


In the first section - personal data you find: 

  • contact details 
  • invoice address 
  • payment information


Under settings you find: 

  • settings of your invoices (dispatch, invoice notification, itemised bill)
  • profile settings (usage of your data, newsletter)
  • changing the password



Eighth: Messages


Important note regarding your personal data


o2 will not ask you for your log-in data via e-mail. We also do not send out bills via e-mail. If you receive such an e-mail, it will be an attempted fraud. Do not respond. Please delete such an e-mail. Do not open any attachments or links enclosed. Please do never state your log-in data. If you forwarded your data accidentally, please change your password immediately and check you computer or laptop for viruses or trojans.


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Latest Update: 01/2021

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