Option 1: If your WizeFi subscription has expired, then follow the instructions below:
Log into WizeFi using this link.
Click "Login". (You'll notice you are not taken to the home screen. Instead you will be directed to the subscription page. In order to continue using WizeFi, you will need to update your credit card payment information)
Click "Reactivate Your WizeFi Subscription"
Enter your new credit card number and expiration date.
Click "Add Payment Method".
And there we have it! You've added your new payment method and can continue using WizeFi again.
Option 2: If your WizeFi subscription has not expired, yet you wish to update your payment information, then follow the instructions below:
Log into WizeFi using this link.
Click "Settings" from the menu.
Click "Account Details" from the sub-menu.
Click on the Blue Pencil icon in the "WizeFi Subscription" section.
Enter your new credit card number and expiration date.
Click "Add Payment Method".
And there you go! You've added your new payment method.