Clear the app cache and data on your Galaxy phone
Having trouble with unresponsive apps? It may be time to give them a good spring cleaning. Don't worry, you don't have to uninstall the app or reset your phone. Instead, clear the app's cache or data. When you do this, any problematic files or bugs in the app will be deleted.
Clear an app's cache
Clearing the app cache is kind of like a cleanse for your apps. It will get rid of residual files that could be slowing down the app.
From Settings, swipe to and tap Apps. Select the app you want to clear. Tap Storage, and then tap Clear cache.
Clear an app's data
Important: Clearing the data will reset the app to factory default settings. Any personal settings saved on the app will be removed.
Need a total do-over? Try emptying out all that app's data. But please be aware this will completely reset the app. Make sure you have any accounts or usernames written down so you can log back in after the app resets.
From Settings, swipe to and tap Apps. Select the app you want to clear. Tap Storage, tap Clear data, and then tap OK. This will completely wipe the app and reset it to the original settings.
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