The "My o2" app offers a comprehensive suite of services and benefits, designed to make managing your mobile experience as seamless as possible. Whether you're a contract, prepaid, or My Handy customer, this award-winning app is your one-stop solution for all your needs.

For contract customers, the app provides a variety of features to keep you in control:

• Check Consumption: Easily monitor your data usage at home and abroad, as well as your telephony and SMS usage outside of flat rates. You can even add this as a home widget for quick access.
• Tariff Details: View your current tariff details and book additional options to suit your needs.
• Customer Data Management: Update your personal information conveniently while on the move.
• Invoice and Itemized Bills: Access your invoices and itemized bills (EVN) directly within the app.
• SIM & Contract Services: Manage services like number portability, order and activate eSIM, and handle third-party services.
• Network Check: Perform a live check of the o2 network and submit fault reports if needed.
• Loyalty Benefits: Enjoy new customer benefits every month through our Priority loyalty program.

For prepaid customers, the app offers essential tools to manage your account efficiently:

• Data and Units: Check your used data volume and units (minutes & SMS).
• Credit Management: View your current credit balance and top up easily.
• Tariff Changes: Change your tariff or book additional options to better fit your usage.
• Customer Data: Update your personal information conveniently on the go.
• Network Check: Perform a live check of the o2 network.

For My Handy customers, the app provides specific features to manage your contract:

• Contract Information: Get detailed information about your My Handy contract.
• Digital Invoices: Access digital versions of your invoices.
• Installment Plan: Gain insights into your installment plan.
• Early Payment: Make early payments on your contract.

Please note that the Mein o2 app is designed for o2 private customers. Business customers should use the "o2 Business App," as Alice Mobile connections and third-party providers are not supported.

It's important to understand that the Mein o2 app relies on the online services of Telefónica Germany. While we strive to ensure constant availability, there may be times when the service is not accessible. To use the Mein o2 app, you will need an account at o2online.de.