Registering your card online or via the app is easy. All you have to do is to follow the steps below:
Login using your phone number.
Once logged in:
Mobile application: please tap the three vertical lines on the upper left corner of your screen to show the slide menu
Website: On the upper right corner of the screen, please click your name to show the drop-down menu.
Select Settings.
Go to Manage credit cards.
Click add new.