Proceed to www.satellitephonestore.com Log into your profile using your email address E.G This Help Center Article(or Fig. 1.) By clicking "My Account"
Click the "My Profile" link at the top, then "My credit cards" to manage the card and details. Shown below in the screen capture.
Lastly, you may add your card and set it as default by providing the details requested. Click the "Save this Credit Card as default" checkbox before pressing the red "SAVE" button.
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