With the "My o2" app, you have full control over your mobile services at your fingertips. Whether you're a prepaid user or on a contract plan, this award-winning application provides quick access to essential features and benefits.

Key Features for Contract Customers:

• Monitor usage: Track data usage domestically and internationally, along with calls and SMS outside of bundled rates—also accessible via a home widget. • Review contract details: Easily view and adjust tariff specifics and add-ons. • Update personal information: Modify contact details on-the-go. • Access billing: View invoices and detailed bills (EVN). • Manage SIM services: Handle number portability, activate eSIM, oversee third-party services, and more. • Network status: Conduct real-time network checks and submit fault reports. • Exclusive rewards: Enjoy monthly perks through our Priority loyalty program.

Features for Prepaid Users:

• Track usage: Keep tabs on consumed data, minutes, and SMS. • Manage credit: Check remaining balance and reload credit effortlessly. • Adjust plan: Switch between tariffs or purchase extra features. • Edit profile: Update personal information conveniently.

Additional Benefits for Smartphone Contracts:

• Detailed contract overview. • Digital copies of invoices. • Insights into installment payments. • Opportunities for early payment discounts.

Important Notes:

The "My o2" app serves individual users. For corporate clients, there’s the "o2 Business App." Connections from Alice Mobile and other third-party providers aren’t supported.

Terms & Conditions:

Please remember that this app relies on Telefónica Germany’s online services, so uninterrupted access isn't guaranteed. To utilize the "My o2" app, you must have an account registered at o2online.de.