Hello, My name is ***** ***** I'll be assisting you. I'm sorry you're having problems. In order to assist you, I need to ask for more info.
Have you gone in and updated your Amazon "One Click" Payment settings yet?
If not, then to change any of your CC information, you need to update your Amazon "One Click Payments" credit or debit card info from a PC or Laptop (NOTE: This can not be done from the Kindle directly).
You can view more information on how to to this from the link below:
Let me know if you need more help. Also, could you please click a POSITIVE RATING (3-5 stars at the top of the page) and click SUBMIT so that I am credited for working with you today?
Do you need further assistance with this?
The site shows that since the question is open that you are still looking for help. Or, if you received the information you were looking for-could you please kindly rate my service POSITIVELY (by clicking a 3-5 star rating by scrolling to the top of the page)? Thanks in advance.