To install Firefox on your Kindle Fire, you must sideload the Firefox for Android APK file because the browser is not available in the Amazon Appstore. This manual process requires you to enable installation from unknown sources, download the APK, and install it yourself.
Before you begin: what to know
Firefox installed via sideloading will not automatically update; new versions must be manually downloaded and installed, and you can use a desktop computer to download Firefox on Windows 11 before transferring the file. The minimum Android version required for Firefox 121.0 is Android 5.0+. Mozilla officially ended support for Firefox on Amazon Fire TV and Echo Show devices on April 30, 2021, but this does not apply to Kindle Fire tablets.
Step 1: Enable installation from unknown sources
- Open the Settings menu on your Kindle Fire.
- Select Security.
- Toggle on 'Apps from Unknown Sources' to allow the APK installation.
- Confirm the action when prompted.
Step 2: Download the Firefox APK
- Open the Silk browser on your Kindle Fire.
- Navigate to the official Mozilla website to find the Firefox for Android APK.
- Download the APK file directly to your device.
- Verify the download is complete in your Downloads folder.
Step 3: Install Firefox on your Kindle Fire
- Open the Downloads folder on your Kindle Fire.
- Locate the Firefox APK file.
- Tap the file to begin the installation.
- Confirm the installation when prompted.
Next steps
After installing Firefox, you may want to adjust your browser settings or manage your tablet storage. For example, you might want to learn how to disable Silk browser on Fire tablet to streamline your browsing experience. Managing your tablet storage will help ensure you have enough space for future Firefox updates that you will need to install manually.
