1. Go to US Mobile's website and click on Dashboard in the top right corner OR Sign in to your account by entering your login credentials.
2. Click Settings from the left menu
3. The Settings page lets you update your account information and also displays your complete order history. On the new page, on the right-hand side, there will be a heading for “Payment Method”
4. Click the delete icon next to an existing card to remove it, or select Add a new card to add a new one
5. After you click on “Add a New Card”, it will lead you to a window where you can add the “Name on Card”, “Credit Card Number”, “Expiry Date”, “CVV Code” and “ZIP Code”, and then at the very end click on “Add a Credit Card”
6. Now head to each individual line and view the attached plans. After having selected the plans you want to keep, scroll down to the "Payment Method" heading. Right next to the heading there will be a dropdown menu from which you can select the Credit Card you want to be charged from for that particular line. After this step, your billing information will be updated and your future payments will be from the selected card
For further assistance, please get in touch with customer support via chat, call (1-878-205-0088), or email help@usmobile.com.