All the advantages of your personal service world in one app Important functions at a glance • Check data consumption • View invoices • Manage customer data • Book and manage tariff options flexibly • View tariff details • Help and contact remain signed in If you activate this function on the login page, your device will automatically log into your personal service world app in the future, without you having to enter your access data again. More information The displayed data is partly time-delayed and may deviate from the actual state. The data consumption is usually updated daily, but less frequently in other EU countries. Your opinion about the Service World App Your satisfaction is important to us. Do you have questions about the app or do you want to give us suggestions for the further development of the app? Please feel free to e-mail us at [email protected]