Hello, My name is ***** ***** I'll be assisting you. I'm sorry you're having problems.
To change any CC information, you need to update your Amazon "One Click Payments" credit or debit card info from a PC (not from the Kindle directly) at the link below:
If you need further assistance let me know. Before you go, PLEASE DO click at least a 3 STAR RATING, at the top of your screen. That is how I am credited for my efforts by the site. You can follow up any time as needed at no additional cost.
Let me know if you need further assistance once you see my reply.
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