Troubleshooting
How to Clear an App Cache on Fire TV, Android TV, Smart TVs and More
How to clear an app cache on Fire TV, Android TV, Google TV, Samsung, LG, Android and Apple devices, and the difference between clearing cache and data.
Streaming sticks and smart TVs come with far less storage than phones — often just a few gigabytes free after the system takes its share. Every installed app, update and cache uses part of it. When storage runs low, devices slow down, apps crash and updates fail, often with confusing error messages. This guide explains how to check your storage and what can be removed safely.
Signs your device is low on storage
- Warnings such as “low storage” or “insufficient space”.
- Apps fail to update or install.
- Apps crash or close shortly after opening.
- The interface becomes noticeably slower.
How to check available storage
- Fire TV: Settings › My Fire TV › About › Storage.
- Android TV / Google TV: Settings › System › Storage (or Device Preferences › Storage).
- Samsung: Device Care on recent models shows storage use; otherwise check app sizes in the Apps panel.
- LG: storage information is usually in the general or support settings.
- Android phones and tablets: Settings › Storage.
- iPhone and iPad: Settings › General › iPhone (or iPad) Storage.
What is safe to remove
1. Apps you do not use
The biggest win is usually deleting apps you installed once and forgot. Pre-installed promotional apps can sometimes be uninstalled or disabled too.
2. App caches
Caches can grow large, especially in video and browsing apps. Clearing them is safe — the app rebuilds what it needs. See how to clear an app cache for each platform.
3. Downloaded content
On phones and tablets, downloaded episodes often take the most space. Delete titles you have finished. Many apps have a setting to remove downloads automatically after watching.
4. Leftover installer files
If you have installed apps from files on an Android-based device, the installer files may remain in the downloads folder. A file manager app from the store can find and delete them.
What not to remove
- System apps you do not recognise. Disabling core components can break the device.
- Data for apps you use daily, unless you are troubleshooting. Clearing data signs you out and resets settings.
- “Cleaner” apps that promise to boost speed. Many add advertising, run constantly in the background and use more resources than they free. The built-in tools are enough.
Keeping storage healthy
| Habit | Effect |
|---|---|
| Install only apps you need | Biggest long-term saving |
| Review apps every few months | Catches forgotten installs |
| Clear caches when apps misbehave | Recovers space and fixes glitches |
| Remove finished downloads | Frees large amounts on mobile devices |
| Restart regularly | Clears temporary memory (RAM) |
Storage vs memory
Storage (where apps and files live) and memory, or RAM (what running apps use) are different. Low RAM causes slowdowns and apps reloading when you switch between them, but it is not fixed by deleting files. Closing unused apps and restarting the device help with RAM. If a device is constantly short of both, it may simply be underpowered for current apps.
When a device is too small
Entry-level sticks with limited storage can fill up with just a handful of apps and their updates. If you are constantly juggling space, a model with more storage, or a streaming box, may be worth considering. Streaming sticks vs streaming boxes compares typical hardware.
If storage is fine but apps still crash
Low storage is a common cause of crashes, but not the only one. If you have plenty of space, follow why a streaming app won’t open to check updates, compatibility and the service itself.
Common questions
Can I add more storage to a streaming stick?
Most sticks cannot be expanded. Some Android TV boxes and a few Fire TV models support USB storage, but apps may not run from it, and support varies by model. Freeing space is usually more effective than adding storage.
Why does storage keep filling up again?
Caches regrow as you use apps, and updates gradually increase app sizes. On small devices, a handful of large apps can fill storage over time. Reviewing installed apps every few months keeps things under control.
Will a factory reset free up space?
Yes — it removes all apps and data and returns the device to its original state. It is a last resort because you must set everything up again. Try uninstalling unused apps and clearing caches first.
Conclusion
Check storage on the device itself, then remove unused apps, clear oversized caches and delete finished downloads. Avoid third-party cleaner apps and leave unfamiliar system components alone. With a bit of room to breathe, most streaming devices become noticeably more stable.