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How To Clear Cache On Samsung S21 | Updated

The Samsung Galaxy S21 is one of the most popular Android phones on the market. Over time, the cache on the S21 can build up and cause issues like slow performance, app crashes, and battery drain. Clearing the cache is an easy way to give your S21 a quick performance boost. Here is a complete step-by-step guide on how to clear cache on Samsung S21.

🚨Note: We’ve updated the instructions for users running Android 12 or above. You can find instruction to Wipe Cache Partition here. 🛠️

How To Clear Cache On Samsung S21

What is Cache and Why Should You Clear it?

Cache is temporary data stored by apps and the Android operating system. It contains files that apps may need again in the future to load faster. However, over time cache can build up and contain outdated or corrupted files that slow down your device. Clearing it out periodically can speed up performance and fix app issues.

Here are some of the benefits of wiping cache on your S21:

  • Speed up overall system performance
  • Fix app crashes, freezing, or force closes
  • Resolve launcher issues like home screen lag
  • Improve slow loading times for apps
  • Reduce delays when switching between apps
  • Fix battery drain from rogue cached processes
  • Free up storage space on your device

How to Clear Cache for Individual Apps

You can clear the cache for specific apps if you are having issues with only that particular app. Here are the steps:

  1. Open the Settings app on your S21.
  2. Tap on Apps.
  3. Tap on the Menu icon in the top right and enable Show System Apps.
  4. Locate the app you want to clear cache for, tap on it.
  5. Tap Storage.
  6. Tap Clear Cache. This will wipe the app cache.

Doing this for apps like Chrome, Gmail, or Facebook can help fix issues or speed them up if they are running slow or glitchy.

How to Wipe the Entire Cache Partition

If you want to take a more thorough approach, you can wipe the entire cache partition at once. This will clear cached data for all apps and give you the maximum performance boost.

Here are the steps to wipe the full cache partition on your S21:

  1. Turn off your Galaxy S21 completely.
  2. Press and hold the Volume Up button and the Power button at the same time.
  3. Keep holding until you see the Android recovery menu appear.
  4. Use the Volume down button to highlight “Wipe cache partition”.
  5. Press the Power button to select it.
  6. You will see a confirmation message, select Yes to confirm.
  7. Your S21 will reboot and the cache partition is now wiped.

This will give your phone a fresh start by wiping temporary data for all apps and services. It’s a quick way to troubleshoot any performance issues.

Use Device Care to Manage Cache

Samsung provides a built-in maintenance tool called Device Care that can help automatically manage cache and other device optimizations. Here’s how to use it:

  1. Open Device Care in the Settings app.
  2. Tap the Optimize Now button.
  3. Device Care will close background apps, clear cache, and look for ways to optimize memory usage.
  4. Tap Optimize Now any time your phone is feeling sluggish for an instant speed boost.

You can also adjust the Auto Optimization settings to have it automatically clear cache overnight when you aren’t using the device.

FAQs about Clearing Cache on the Galaxy S21

Here are some frequently asked questions about wiping cache on the S21:

Is it safe to wipe cache partition?

Yes, wiping cache is completely safe. It will not delete any of your personal data like photos, downloads, or messages.

How often should I clear cache?

Most people clear cache every few weeks for optimal performance. But you can do it more frequently if you notice apps slowing down.

Will I lose app data if I wipe cache?

No, your app data like logins, preferences, and saved information will not be lost when clearing cache.

Should I also clear app data?

App data contains your saved information within that app. Clearing app data will sign you out and return the app to default settings. Only do this if having major issues with a specific app.

Will wiping cache fix battery life issues?

It can help. Slow running apps and services can sometimes drain battery in the background. Wiping cache removes these battery draining processes.

Does wiping cache delete photos?

No, media like photos, videos, and downloads are stored in a different location not affected by a cache wipe. All user data remains intact.

Using Android Recovery Mode to Wipe Cache

Android Recovery Mode provides more advanced options for troubleshooting, including wiping the cache partition. Here are the steps to use it:

  1. Power off your Samsung Galaxy S21 completely.
  2. Press and hold the Volume Up button and the Power button at the same time.
  3. Keep holding both buttons until the recovery menu appears.
  4. Use Volume buttons to scroll to “Wipe cache partition” and select it.
  5. Confirm you want to wipe the cache.
  6. Select “Reboot system now” when done.

Recovery mode provides access to wipe cache, repair software issues, and other maintenance without booting fully into Android.

Troubleshooting Tip: Check Storage Space

Many performance issues stem from insufficient storage space on your S21. Try checking how much free space you have and free up more if needed:

  • Go to Settings > Battery and Device Care
  • Select Storage
  • Check how much free space you have left
  • Delete unused apps, photos, videos to free up space

Having at least 15% storage space free is recommended. Running out of storage can cause slowdowns and glitches.

Get Faster Performance from Your Galaxy S21

Here are some other tips to speed up and optimize your Galaxy S21:

  • Restart your phone regularly – a reboot clears memory and starts fresh
  • Disable unwanted background apps and processes
  • Reduce display resolution and refresh rate
  • Close recently used apps not being used
  • Check for and install latest OS and security updates
  • Use a memory clearing app like Smart Booster

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