You can't download Bluetooth *onto* a Kindle Fire because it's a built-in hardware feature. Wenn Ihr Kindle Fire keine Bluetooth -Funktionalität hat, ist es eine Einschränkung des spezifischen Gerätemodells, und es gibt keine App- oder Software -Update, die es hinzufügt.

If your Kindle Fire *does* have Bluetooth, but it's not working, you should:

* Check your Kindle's settings: Make sure Bluetooth is turned on in the device's settings menu.

* Restart your Kindle: A simple restart can often resolve minor software glitches that might be interfering with Bluetooth.

* Check for software updates: Ensure your Kindle Fire's operating system is up-to-date. Updates often include bug fixes and improvements.

* Look for any physical damage: Check the Bluetooth antenna area of your device for any obvious damage that might be interfering with functionality.

* Contact Amazon support: If none of the above works, contact Amazon's customer support for assistance. They can help diagnose the problem and potentially provide solutions or repair options.