Hello, In order to update your payment information (one click Amazon payment), you need to do this from a PC or a Laptop (not on the Kindle) and go to Amazon.com, then change the payment info.
Manage Your Kindle Payment Settings
You can view or edit your 1-Click payment method by visiting the Settings page within Manage Your Content and Devices.
To view or edit your 1-Click payment method:
Go to Manage Your Content and Devices. From Settings, select Edit Payment Method below Digital Payment Settings. Select the desired credit card information, or add a new card, and then click Continue. Enter the desired billing address, and then click Continue. You will be taken back to the Digital Payment Settings page where you can view your edited 1-Click payment method.
If you need further assistance let me know. Please do not forget to click the 5 STAR RATING, at the top of the page for my efforts. It is my livelihood and you can follow up at any time if needed.
Do you need any further assistance with this?If not, could you please click the 5 STAR RATING, at the top of the page for my efforts? It is my livelihood and you can follow up at any time if needed.