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How to Clear Cache on a Samsung S9

Fix performance issues on your smartphone by freeing up memory

By Molly McLaughlin Molly McLaughlin Senior Editor & Content Strategist Molly K. McLaughlin has been a technology editor and writer for over a dozen years. She runs product reviews for Lifewire, overseeing the process from hands-on testing to publishing. lifewire's editorial guidelines Updated on May 12, 2021 Reviewed by Ryan Perian Reviewed by Ryan Perian Western Governors University Ryan Perian is a certified IT specialist who holds numerous IT certifications and has 12+ years' experience working in the IT industry support and management positions. lifewire's editorial guidelines Tweet Share Email Tweet Share Email Samsung Samsung Quick Tips

What to Know

Free up memory: Open Settings > Device care > Memory > Clean now.Clear app cache: Open Settings > Apps > select an app > Storage > Clear cache.Clear system cache: Power off the phone > boot it up into Recovery mode > Wipe Cache Partition > Yes > Reboot System Now. This article explains how to clear the app and system cache on a Samsung Galaxy S9 or S9+ smartphone to fix various issues, including slowed down performance.

How to Free Up Memory Using Device Care

If your device is sluggish or your apps aren’t functioning correctly, you can free up memory on your device by closing apps running in the background. Open Settings. Scroll down to Device care. Tap Memory. Tap Clean now. After cleaning, the screen will display how much memory is now available.

How to Clear App Cache on the Galaxy S9 Or S9+

You can clear an app’s cache if it’s giving you trouble, etc. Clearing the cache on an app is like doing so in a web browser. It’s good to do this if the cache is full or has outdated information messing with the app’s performance. Open Settings. Go to Apps. Select an app. Tap Storage. Tap Clear cache. You can also select Clear data in some apps, but only if you want to permanently delete stored information like files, settings, and login credentials.

How to Clear the System Cache on the Galaxy S9 Using Recovery Mode

Android devices that shipped with Android 6.0 or older download and store system updates in the system cache. Then, it applies them when you reboot. Phones that shipped with Android 7.0 and later have a more efficient system. It’s a good idea to clear the system cache after updating your smartphone to get rid of outdated files and data. Power off your Galaxy S9 or Galaxy S9 Plus. Press and hold the Volume Up, Power, and Bixby buttons simultaneously
until the Android logo appears and the phone vibrates. Release the buttons. Use the Volume buttons to scroll down and highlight the Wipe
Cache Partition option. Press the Power button to select it. You'll see a warning explaining this action can't be undone. Scroll down to Yes with the Volume button, and select it with the Power button. Navigate to the Reboot System Now option and press the Power button to select it. The Galaxy S9 should reboot with a cleared system cache. How to Clear Cache on Samsung S10 Was this page helpful? Thanks for letting us know! Get the Latest Tech News Delivered Every Day Subscribe Tell us why! Other Not enough details Hard to understand Submit More from Lifewire How to Clear Cache on Samsung S10 How to Clear the Cache on a Fire TV Stick How to Clear Cache Data on Your Android How to Clear the Cache on Xbox One Consoles How to Clear Cache on an iPad How to Fix Black Screen on Android Phones How to Clear Your iPhone Cache How to Fix It When an Amazon Fire Tablet Is Stuck on the Fire Screen How to Clear the Cache in IE11 How to Fix It When Apps Keep Crashing on Android How to Clear Internet Cache in Every Major Browser How to Reset Your Samsung Device How to Clear the Cache on Facebook How to Close Apps on Android How to Reset Nintendo Switch How to Fix a Samsung Tablet That’s Running Slow Newsletter Sign Up Newsletter Sign Up Newsletter Sign Up Newsletter Sign Up Newsletter Sign Up By clicking “Accept All Cookies”, you agree to the storing of cookies on your device to enhance site navigation, analyze site usage, and assist in our marketing efforts. Cookies Settings Accept All Cookies