How to clear the app cache and data on your Galaxy phone

Last Update date : Feb 27. 2026

Apps can sometimes slow down or stop working properly, but that does´t mean you have to unistall them or reset your phone or tablet right away. In many cases, simply clearing the app´s cache or data is enough to fix the issue. This removes temporary files or bigs that may be causing problems. You can also use your device´s Device Care feature to limit background activity and extend your battery life.

Note: Screens and settings may vary by model and by country.

If a specific app you are using is slowing down, try clearing that app's cache first. You can delete all problematic files or bugs from the app. Follow the steps below to clear the cache of a single app.

When clearing data, all of the selected application’s data will be deleted permanently. This includes all files, settings, accounts, databases, etc. Follow the steps below to delete data for a single app.

Note: Device screenshots and menu may vary depending on the device model and software version.

Device care allows you to delete unnecessary data in the cache from your phone at once. These features will keep your phone from slowing down while improving its overall performance. Follow the steps below to clean cache data using device care.

Step 1. Launch the Settings app, and then select Battery and device care.

Step 2. Tap Optimize now. Device care automatically optimizes your phone and clears the app's cache.

The Device care's optimization feature improves device performance through the following actions.

  • Closes apps running in the background.
  • Manages abnormal battery usage.
  • Scans for crashed apps and malware.

If you want to set the device to perform auto optimization when your device is not in use, tap More options > Automation > Auto optimize daily and tap the switch to activate it.

 

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