The most important online services in one app. For customers with a mobile or DSL contract, CallYa and Business. MOST POPULAR FUNCTIONS FOR MOBILE CUSTOMERS: - At a glance: Your remaining included units and current costs directly on the homepage - Everything about your contract: Information about run-time and your plan. Book the right add-ons - Abroad: Information on costs and usage abroad with Roaming-Advisor. MOST POPULAR FUNCTIONS FOR CALLYA CUSTOMERS (PREPAID): Everything at a glance: Your current credit and the remaining included units directly on the homepage. Never again without credit: top-up your card with the app, transfer or request credit to others. MOST POPULAR FUNCTIONS FOR ALL CUSTOMERS: Everything about the network: Current information on the availability of our mobile and landline networks. Help & Support: Answers to the most important questions, forum as well as tips and tricks. Shop finder: Where is the nearest Vodafone shop? Find it by GPS or address. Good to know: If you want to update data, you need your customer password for security reasons. You created it when you signed the contract and you can find it there.