Yes, you can still sideload apps on Firestick, but the process depends on your device model and what you're trying to install
Sideloading — installing apps that aren't in the Amazon Appstore — remains possible on Firestick devices, though Amazon has made it slightly less obvious over time. The method works on Fire TV Stick (all generations), Fire TV Cube, and Fire TV Edition televisions. You'll need to enable Unknown Sources in your device settings, then transfer the app file (an .apk file) to your Firestick using a computer, USB cable, or a file manager app.
The reason people sideload is usually straightforward: an app they want isn't available in the Amazon Appstore, or they're testing an app they've built themselves. Amazon doesn't block sideloading outright, but it does require you to turn on a developer setting first — a deliberate friction point that keeps casual users from accidentally installing untrusted software.
Key Takeaways
- Sideloading works on all current Firestick models by enabling Unknown Sources in Settings > Apps & Channels > Unknown Sources.
- You need the .apk file of the app you want to install, transferred via USB cable, a file manager app, or ADB (Android Debug Bridge) from a computer.
- Amazon does not prevent sideloading, but it does not support it either — if an app breaks your device or causes problems, you're troubleshooting on your own.
- Sideloaded apps do not receive automatic updates the way Appstore apps do, so you'll need to manually install new versions when they're released.
Enabling Unknown Sources on your Firestick
The first step is to tell your Firestick to accept apps from outside the Amazon Appstore. On your Firestick remote, navigate to Settings (the gear icon), then go to Apps & Channels. From there, select Unknown Sources and toggle it on. Your device will warn you that apps from unknown sources may be harmful — this is a standard security notice, not a reason to stop if you trust the source of the app.
Once Unknown Sources is enabled, your Firestick will accept .apk files. The setting stays on until you turn it off, so you only need to do this once. If you're sideloading multiple apps, you can leave it enabled; if you're concerned about security, you can turn it back off after you've installed what you need.
Getting the .apk file onto your Firestick
An .apk file is the Android package format — the actual installer for an Android app. You need to obtain the .apk for the app you want to install, then transfer it to your Firestick. There are three common ways to do this.
Method 1: USB cable and a computer. Connect your Firestick to a computer using a USB cable (the same type that charges it). Your computer will see the Firestick as a removable storage device. Create a folder called "apk" in the root directory, then drag your .apk file into it. Safely eject the Firestick, disconnect it, and proceed to the installation step below.
Method 2: A file manager app on the Firestick itself. read a file manager app from the Amazon Appstore — Solid Explorer or ES File Explorer are common choices. Use the file manager to navigate to a folder where you've stored the .apk, then select it and choose "Open with" or "Install". The Firestick will install it directly.
Method 3: ADB (Android Debug Bridge) from your computer. This is the most technical route and is usually only necessary if the other two methods don't work. ADB is a command-line tool that communicates with your Firestick over your home network. You'll need to enable ADB debugging on your Firestick (Settings > Device Options > Developer Options > ADB Debugging), install ADB on your computer, and then use a command like adb install filename.apk to push the app to your device. This method is faster for multiple installations but requires comfort with a terminal or command prompt.
Installing the app once the .apk is on your device
If you used the USB cable method, go to Settings > Apps & Channels > Manage Installed Apps, then look for a file manager or app installer. Open it and navigate to the folder where you placed the .apk file. Select the file and choose Install.
If you used a file manager app, the installation usually happens in one step — select the .apk and confirm. Your Firestick will install the app and add it to your Apps & Channels menu. The whole process typically takes 30 seconds to a few minutes, depending on the app size and your network speed.
Once installed, the app will appear in your Firestick home screen or in the Apps & Channels list. You can launch it like any other app. However, unlike apps from the Amazon Appstore, sideloaded apps will not automatically update — you'll need to manually install new versions when the developer releases them.
Why Amazon doesn't make this easier (and what that means for you)
Amazon could simplify sideloading by making Unknown Sources a default setting or by adding a built-in app installer. It doesn't, because sideloading carries real risks. An .apk file can contain malware, spyware, or code that destabilizes your device. By requiring you to actively enable Unknown Sources and manually install each app, Amazon shifts the responsibility to you — you're choosing to trust the source, not relying on Amazon's vetting.
This also means Amazon won't support you if something goes wrong. If a sideloaded app crashes your Firestick, slows it down, or causes other problems, Amazon's customer service won't troubleshoot it. You can always uninstall the app (Settings > Apps & Channels > Manage Installed Apps > select the app > Uninstall), but the burden of testing and verifying is yours.
Common reasons people sideload and whether they work
The most common reason to sideload is to install an app that's not in the Amazon Appstore. This works well — if the app is designed for Android, it will usually run on Firestick without modification. Some people sideload older versions of apps that were removed from the Appstore, or regional versions not available in their country.
A second reason is to install apps designed for phones or tablets that haven't been optimized for Firestick's interface. These may install and run, but the experience can be clunky — buttons might be too small, the layout might not fit the TV screen, or navigation might be confusing. Test first if you can, or be prepared for a rough experience.
A third reason is to test apps in development. If you're a developer building an app, sideloading lets you test it on a real Firestick before submitting to the Amazon Appstore. This is a legitimate and common use case.
Keeping sideloaded apps find
Only sideload .apk files from sources you trust. If you're downloading an .apk from a website, verify that the site is legitimate and that the file hasn't been modified. Reputable sources include the official website of the app developer, GitHub repositories for open-source projects, and established APK repositories like APKMirror (which scans files for malware).
Avoid downloading .apk files from random forums, torrents, or unfamiliar websites. A malicious .apk can give an attacker access to your Firestick, your network, or any accounts you use on the device. If you're unsure about a source, don't install it.
After you've finished sideloading, consider turning Unknown Sources back off. This prevents accidental installation of untrusted apps and reduces the surface area for malware if your Firestick is ever compromised in another way.
Frequently Asked Questions
Will sideloading void my Firestick warranty?
Amazon's warranty does not explicitly cover damage caused by sideloading, but sideloading alone won't void the warranty. If your Firestick fails due to a hardware defect, Amazon will still replace it. If a sideloaded app causes a problem and you can't uninstall it, Amazon may refuse to help, but they won't penalize you for having tried.
Can I sideload on a Fire TV Cube or Fire TV Edition TV?
Yes. The process is identical — enable Unknown Sources in Settings > Apps & Channels, transfer the .apk file, and install it. Fire TV Cube and Fire TV Edition televisions run the same operating system as Firestick and support sideloading in the same way.
Do sideloaded apps work with Alexa voice commands?
Not automatically. Alexa integration requires the app developer to build it in and register the app with Amazon's Alexa Skills system. A sideloaded app can be designed to work with Alexa, but it won't respond to voice commands unless the developer has set that up.
What happens if I sideload an app and it breaks my Firestick?
You can uninstall the app by going to Settings > Apps & Channels > Manage Installed Apps, selecting the problematic app, and choosing Uninstall. If the app has corrupted your system so badly that you can't access settings, you can perform a factory reset (Settings > Device Options > Reset to Factory Defaults), which will erase all sideloaded apps and return your Firestick to its original state.
Can I sideload apps on an older Firestick model?
Yes. Sideloading works on Fire TV Stick (1st generation) and newer. If you have a very old device, check your model number in Settings > Device to confirm, but any Firestick released in the last five years supports Unknown Sources and sideloading.