What clearing app cache does and why you might need to
Clearing app cache removes temporary files that apps store on your Firestick to load faster next time. Over time, these files can pile up and cause apps to run slowly, freeze, or crash. Clearing the cache does not delete your passwords, account logins, or saved settings—it only removes the temporary data that apps no longer need.
You might notice your Firestick slowing down after weeks of use, or a specific app might start stuttering or refusing to open. Clearing cache is often the fastest fix before you resort to uninstalling and reinstalling an app. The process takes about two minutes and requires no special tools.
Key Takeaways
- You can clear cache for a single app through Settings > Applications > Manage Installed Applications, or clear all app cache at once through Storage.
- Clearing cache does not remove your login information, saved preferences, or any data you created inside the app.
- If an app still misbehaves after clearing cache, the next step is to clear the app's data, which will reset it to factory settings and erase logins.
- Firestick models vary slightly in menu names, but the path through Settings remains the same across all current models.
Clear cache for one app at a time
Open Settings from the home screen. Use the remote to scroll right and select the gear icon, or scroll down to find Settings in the menu.
Navigate to Applications, then select Manage Installed Applications. You will see a list of every app on your Firestick. Scroll to find the app whose cache you want to clear—for example, Netflix or Plex.
Select the app name. A menu will appear with options including Clear Cache and Clear Data. Press Clear Cache. The screen will confirm that the cache has been cleared. The app remains installed and ready to use, but it will rebuild its cache the next time you open it.
Repeat this step for any other apps that are causing problems. Most people only need to clear cache for one or two apps at a time, not the entire Firestick.
Clear cache for all apps at once
If your Firestick is running slowly across multiple apps, you can clear all cached data in one step. Open Settings and navigate to Storage.
Select Internal Storage or Device Storage (the name depends on your Firestick model). You will see a breakdown of how much space apps, system files, and cache are using. Look for an option labeled Clear Cache or Cached Data.
Select it and confirm. This removes temporary files from every app on your Firestick at once. The process takes 30 seconds to a minute. Your apps will reopen normally the next time you use them, and they will rebuild their cache as needed.
The difference between clearing cache and clearing data
Clearing cache removes only temporary files. Your logins, saved settings, watch history, and preferences stay intact. This is the safer option and the one to try first.
Clearing data removes everything the app has stored, including cache, logins, and settings. The app resets to the state it was in the day you installed it. You will need to log back in and reconfigure your preferences. Use this option only if clearing cache does not fix the problem, or if an app is crashing so badly that it will not open at all.
To clear data instead of cache, follow the same path to Settings > Applications > Manage Installed Applications, select the app, and choose Clear Data instead of Clear Cache.
When to clear cache versus when to restart your Firestick
If only one app is misbehaving, clear that app's cache first. If multiple apps are slow or freezing, clear all cache through Storage. If clearing cache does not help within a few minutes, restart your Firestick by unplugging it for 30 seconds, then plugging it back in.
A restart clears your Firestick's active memory and can fix problems that cache clearing cannot. Many Firestick users find that restarting once a week prevents slowdowns altogether. If an app continues to crash even after clearing cache and restarting, then clearing the app's data or uninstalling and reinstalling it becomes necessary.
Common mistakes to avoid
Do not confuse Clear Cache with Uninstall. Clearing cache leaves the app on your Firestick. Uninstalling removes it entirely and you will need to reinstall it from the Amazon Appstore.
Do not clear data unless you are prepared to log back in. If you clear data for a streaming app like Netflix or Plex, you will be logged out and will need your password to sign back in. If you clear data for a game, you may lose your progress unless the game saves to the cloud.
Do not expect cache clearing to free up much storage space on newer Firestick models. Cache files are usually small—a few hundred megabytes at most. If your Firestick is running out of storage, the problem is likely large apps or downloaded content, not cache.
Frequently Asked Questions
Will clearing cache delete my login information?
No. Clearing cache removes only temporary files. Your passwords, account logins, and saved preferences remain on your Firestick. You will not need to log back into any apps after clearing cache.
How often should I clear my Firestick's cache?
Most users do not need to clear cache on a schedule. Clear it only when you notice an app running slowly or freezing. If you use your Firestick heavily every day, clearing all cache once a month can help prevent slowdowns, but it is not required.
What if clearing cache does not fix the problem?
Restart your Firestick by unplugging it for 30 seconds. If the app still misbehaves, try clearing the app's data instead of just the cache. If that does not work, uninstall the app and reinstall it from the Amazon Appstore.
Can I clear cache on a Fire TV Cube the same way?
Yes. Fire TV Cube uses the same Settings menu and the same path to clear cache. The steps are identical to a standard Firestick.
Does clearing cache speed up my Firestick?
It can, especially if one app is consuming a lot of cache. However, the speed improvement is usually noticeable only if cache has built up over weeks or months. A restart often produces a more noticeable speed boost than cache clearing alone.