Mein o2

Telefónica Germany GmbH & Co. OHG

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About this app

The most important services & advantages in the Mein o2 app.

With the multiple award-winning Mein o2 app, you can use the most important services and benefits anytime, anywhere.

It doesn't matter whether it's a prepaid or term contract, you'll find everything here at a glance. The o2 Business App is available for business customers.

The Mein o2 app offers the following functions:

FOR CONTRACT CUSTOMER
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• Check consumption: data volume at home and abroad, telephony and SMS outside of flat rates - also as a home widget
• View tariff details and book tariff options
• Change customer data – conveniently while on the move
• View invoices and itemized bills (EVN).
• SIM & contract services such as number portability, order and activate eSIM, manage third-party services and much more.
• Send live check of the o2 network and fault report
• New customer benefits every month with our Priority loyalty program


FOR PREPAID CUSTOMERS:INS
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• Check used data volume & units (minutes & SMS).
• View current credit and easily top up credit
• Change tariff or book additional options
• Change customer data – conveniently while on the move
• Live check of the o2 network


FOR MY HANDY CUSTOMERS
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• Information on the My Handy contract
• Digital version of the invoice
• Insight into the installment plan
• Early Payment


PLEASE NOTE
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Mein o2 is the app for o2 private customers. The »o2 Business App« is available for business customers. Alice Mobile connections and third-party providers are not supported.


LIABILITY/REQUIREMENTS
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Please note: This app is based on the online services of Telefónica Germany. Constant availability of the service cannot be guaranteed. To use the Mein o2 app, an account at o2online.de is required

Ratings and reviews

I can’t access my personal information, contracts, or invoices. I log in with the correct credentials, but the app just sends me back. I also can’t change my password because it asks me to log out first — which makes no sense. This has been broken for over a year, both in the app and the online portal. These are basic features that should simply work. By law, I must have access to my invoices. 😡

The app simply doesn’t work. I can’t log in, can’t view my contract, and constantly get “technical error” messages. My contract expired and I can’t renew anything because both the app and website are broken. The chatbot keeps telling me to “use the app” even though the app itself is unusable. Completely stuck with no support. This needs to be fixed urgently.

So many problems with logging in.. Edit to respond: the same issues that so many people have when logging in: "Da hat etwas nicht geklappt" or the fact that I cannot even login in with a code from my messages. Also, sometimes the option for code login appears, sometimes it doesn't. Like other users, I have tried with erasing the cache, reinstalling the app, and still nothing. Edit 2: I can login on the website but it's useless for recharging the prepaid card. I can only buy the option with a SIM