How to Clear Cache on Samsung Phones

Clearing the cache on a Samsung phone frees up storage space and can fix app glitches, slow performance, or battery drain. This guide walks you through clearing cache for individual apps, clearing the system cache partition, and using Samsung’s built-in storage tools. You’ll need your phone unlocked and, for some steps, a few minutes to spare.

What You’ll Need

• Your Samsung phone (any model running Android 10 or newer)
• Sufficient battery charge (above 30% recommended)
• A USB cable and a computer (only for clearing the system cache partition on some models)

Step-by-Step

Clear Cache for a Single App

1. Open the Settings app. You can find it in your app drawer or by swiping down from the top of the screen and tapping the gear icon.
2. Scroll down and tap Apps (or Application Manager on older One UI versions).
3. Tap the app you want to clear cache for. If you don’t see it, tap See all apps first.
4. Tap Storage (it may be labeled Storage usage on some models).
5. Tap Clear cache. A confirmation popup may appear; tap OK or Clear.
6. Done. The app’s cache is now emptied. Note that this does not delete your login information or personal data.

Clear All App Caches at Once (Using Device Care)

1. Open Settings.
2. Scroll down and tap Battery and device care (on some models it’s just Device care).
3. Tap Storage.
4. You’ll see a list of categories (e.g., Apps, Images, Videos). Tap Apps.
5. Tap Sort by size to see the apps using the most storage.
6. Tap the three-dot menu (⋮) in the top-right corner and select Clear all (or Clear caches).
7. Confirm by tapping OK. This clears the cache for all apps at once.

Clear the System Cache Partition (For System-Level Issues)

If you’re experiencing system-wide problems like random reboots or severe lag, clearing the system cache partition can help. This is a deeper clean that doesn’t delete your personal data.

1. Back up your data (optional but recommended, especially if you’re not comfortable with the process).
2. Turn off your phone completely.
3. Connect your phone to a computer using a USB cable. If you don’t have a computer, you can use the phone’s built-in recovery mode (see Troubleshooting below).
4. Press and hold the Volume Up and Power buttons simultaneously (on some models it’s Volume Up + Bixby + Power).
5. Release the buttons when the Android logo or Samsung logo appears. The phone will boot into Recovery Mode.
6. Use the Volume Down button to highlight Wipe cache partition.
7. Press the Power button to select it.
8. Use Volume Down to highlight Yes and press Power to confirm.
9. Wait for the process to finish. You’ll see a message like “Cache wipe complete.”
10. Highlight Reboot system now and press Power.

Common Mistakes

• Clearing data instead of cache: Tapping “Clear data” removes app settings, login info, and saved files. Only use this if you want to reset the app completely.
• Not closing the app first: Some apps may rewrite their cache immediately if they’re still running in the background. Close the app completely before clearing its cache.
• Skipping the system cache partition: If you only clear individual app caches, system-level junk remains. For a thorough clean, use the recovery mode method.
• Clearing cache too often: Cache is meant to speed up apps. Clearing it daily can actually slow down your phone because apps have to rebuild it.

Tips

• Clear cache regularly: Once a month is a good rhythm to keep storage and performance in check.
• Use the “Clear all” option sparingly: It’s convenient, but it wipes cache for every app, including ones you use often. If you only have a few problematic apps, clear those individually.
• Check for updates: Sometimes cache buildup is a sign of an outdated app. Update your apps from the Galaxy Store or Google Play Store after clearing cache.
• Use the storage analysis tools: In Settings > Battery and device care > Storage, you can see exactly what’s taking up space. Use this to target large apps.

Troubleshooting

If the phone doesn’t boot into Recovery Mode: Double-check the button combination. On some models, you need to press Volume Up + Power, while others require Volume Up + Bixby + Power. If you have a computer, try connecting the USB cable first, then hold the buttons. If it still fails, your phone may have a different recovery mode entry method—search online for your specific model.

If the “Clear cache” button is grayed out: This usually means the app has no cache stored. That’s normal—there’s nothing to clear.

If the system cache partition wipe doesn’t fix the issue: The problem might be a corrupted app or a software bug. Try restarting your phone, then clearing individual app caches for the apps you suspect. If the issue persists, consider a factory reset (back up your data first).

If your phone is stuck on the Samsung logo after clearing the cache partition: Don’t panic. This is rare but can happen. Press and hold the Power button for 10-15 seconds to force a restart. If it still doesn’t boot, try entering Recovery Mode again and select Reboot system now.

Frequently Asked Questions

Will clearing cache delete my photos or messages?

No. Cache files are temporary data like thumbnails and web page copies. Your personal files, photos, messages, and app data are stored separately and are not affected.

Does clearing cache speed up my Samsung phone?

It can. If your phone is slow due to a bloated cache, clearing it can improve performance. However, if the slowness is due to low RAM or an old battery, clearing cache won’t help much.

How often should I clear cache on my Samsung?

Once a month is a good balance. Clearing too often can cause apps to reload data frequently, which uses more battery and data.

Is clearing the system cache partition safe?

Yes, it’s completely safe. It only removes temporary system files and doesn’t touch your personal data or settings. It’s a standard troubleshooting step recommended by Samsung support.

Why does my cache keep filling up so fast?

Apps like social media, browsers, and streaming services generate a lot of cache because they load images and videos frequently. If you use these apps heavily, cache buildup is normal.

Can I clear cache without going into Settings?

Yes, you can use the Device Care shortcut. Swipe down from the top of the screen, tap the gear icon, then tap Battery and device care > Storage > Apps > Clear all. This is faster than clearing apps one by one.

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