Clear App Cache and Data:

NOTE: If one of your apps doesn’t work as intended, freezes, crashes, or takes up too much storage inexplicably, you can try fixing these issues by clearing the app’s cache and/or data.

WARNING! When you clear an app’s data, all your personal app data stored within the app will be deleted. This includes login and credit card information, settings, save files, high scores, user files etc. To avoid losing personal app data, clear ONLY the app’s cache.

  1. Open the apps drawer
  2. Launch “Settings
  3. Tap “Apps
  4. Select the desired app and tap “Storage
  5. Tap “Clear cache” to clear the app’s cache
  6. If clearing the app’s cache didn’t help, tap “Clear data” (check WARNING above)

Wipe the Cache Partition:

NOTE: In case your phone crashes, freezes, runs out of storage inexplicably or otherwise doesn’t work as intended and you’re considering factory resetting it, you can try fixing these problems by clearing the phone’s cache partition. This can yield results similar to a factory reset without losing any personal data store don the phone’s internal memory.

  1. First turn off the phone
  2. Press and hold “Home” and “Volume Up” at the same time, then press and hold “Power
  3. At the “Android” logo, release all buttons and wait 30-60 seconds for the Android Recovery menu to show up
  4. Once in Recovery, press “Volume down” repeatedly to highlight “wipe data / factory reset
  5. Press “Power” to select the highlighted option
  6. Press “Volume down” to highlight “wipe cache partition” and press “Power
  7. Highlight “Yes” and press “Power” to confirm
  8. After the cache partition is cleared, highlight “Reboot system now” and press “Power

NOTE: if clearing the cache partition didn’t help, you can check this thread for a guide on how to factory reset the phone instead.

Reboot to Safe Mode and Uninstall an App:

NOTE: In case you have installed a third party app that causes issues and prevents you from removing it, you should be able to remove the app within Safe Mode. In this mode, all third party apps are disabled by default.

  1. Turn the phone Off
  2. Press and hold “Power” past the model name screen
  3. At the “Samsung” logo, release “Power” and immediately press and hold “Volume down” instead
  4. Keep the volume key pressed until the device finishes rebooting. NOTE: once the phone reboots, it should display a “Safe Mode” watermark in the lower area of the screen
  5. To remove an app, first open “Settings
  6. Then access “Apps” and select the desired app
  7. Tap “Uninstall” two times to remove the app
  8. To exit Safe Mode, press and hold “Power” and tap “Restart

See More: Samsung Galaxy S8 Active: Clear App Cache/Data; Wipe the Cache Partition; Reboot to Safe Mode