one customer portal and app
Do you need help installing the one app? Do you have questions about using the app, logging in to register, or changing your password? We are here to help with one app support and answer all your questions about the one customer portal and the one app.
Usage
Can I confirm online payments (3-D Secure) using the one App if I don't have a data connection?How long is a confirmation request for a transaction request valid in the app?What are the consequences if I accidentally approve a confirmation in the app or authorize a transaction, even though the content of the request was incorrect?What can I do if I disagree with a transaction (dispute)?
Registering for & installing the one app
Can I use the one App on multiple devices at the same time?How do I download the one App and sign in?How do I use the SIM card when updating the one App?What are the technical requirements for installing the one App?What can I do if I don't have a registration code?What happens if I accidentally delete the one App?What is the personal one registration code and how do I obtain it?