The Kindle, Fire HD and HDX all have the reading features of the Kindle, but also offer access to web browsing, video streaming, and more apps than you can count. Like other tablets, the Kindle, Fire HD and Fire HDX occasionally receive updates that add new features and improve security. These updates are usually automatic, but in some cases they are not. In that case, you’ll have to start the update yourself or manually apply it to your device.
Steps to Manually Update Kindle App on Windows
To determine the firmware version on your Kindle, open the settings menu and select the “device info” option. This will show you which version of the firmware your Kindle is currently running. ..