Deregistering your device disconnects it from your Amazon account—you will no longer be able to make purchases through this account or view content purchased through this account. You can even deregister Android devices through your Amazon account, can kindle app read pdf feature that will prevent others from accessing your account if your device is ever lost or stolen! Scroll through your apps pages to locate the Kindle app, which has the black silhouette of a person reading against a blue background. From your home screen, Slide your finger to the right to open your search function.
Tap on the search bar, type Kindle in, and tap on the app when it appears in the menu below. This will return you to the main screen.
If you register the device with the same account, all of your downloaded content will return to your library. Your device’s connection to the Amazon account it was registered under is severed. Sign in to the Kindle app to register your device.