I'm sorry about the issue. Please do the followings:
STEP 1: Sign in your Amazon account at the Amazon website below:
, then there, click on the option Your Devices, then click on your kindle device, then click on option Deregister below it, and confirm.
STEP 2: Go to the Amazon website below:
, then there, click on the option "Change Account Settings" and sign in your Amazon account if prompted, then change your Amazon account password *****
STEP 3: For now, if you have a Windows or Mac computer, you can read your (old and new) books at the Amazon website below:
- If you have a tablet or smartphone, you can open the Play Store or App Store app icon, then type / search for kindle then install the Kindle app, then use the Kindle app to read all your books.
- When you get a new kindle, then after setting up the new kindle, then all your previous books will download automatically to the new kindle.
Please reply a the box below to continue. Thank you.