How to Add a Password to Your Kindle …
https://www.howtogeek.com/738306/how-to-add-a-password-to-your-kindle/
Go to Settings > Device Options > Device Passcode to change or turn off your passcode. Tap a site name from your list of stored passwords to manage logins. Tap the "Menu" icon at the bottom of the screen and select "Show Password" to view the alphanumeric characters instead of encrypted dots. Tap "Edit" to make changes. Make sure saved passwords is on. You will be able to see what apps have saved passwords by clicking on the app you want to see the password, then it will ask you for your pin.
Go to Settings > Device Options > Device Passcode to change or turn off your passcode.
Tap a site name from your list of stored passwords to manage logins.
Tap the "Menu" icon at the bottom of the screen and select "Show Password" to view the alphanumeric characters instead of encrypted dots.
Tap "Edit" to make changes.
Make sure saved passwords is on.
You will be able to see what apps have saved passwords by clicking on the app you want to see the password, then it will ask you for your pin.
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