Clear App Cache / Data:

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

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

  1. Tap “Apps” on the home screen
  2. Launch “Settings
  3. Scroll to “Applications” and tap “Application manager
  4. Access “Downloaded” or “All
  5. Select the desired application
  6. Tap “Clear cache
  7. If necessary, tap “Clear data” > “OK” (check WARNING above)

Clear the Cache Partition:

NOTE: In case your phone crashes, freezes, or runs out of storage inexplicably and you’re considering factory resetting it to solve the issues, you can try clearing the cache partition instead. This can yield similar results as a factory reset without losing any personal data or reverting any settings. To clear the cache partition:

  1. First, make sure the phone is powered off
  2. Then, press and hold “Power”, “Home” and “Volume Up” at the same time
  3. When the “Samsung” logo appears, release all buttons
  4. Wait for access to “Android System Recovery
  5. Once in the Recovery menu, press “Volume down” repeatedly to highlight “wipe cache partition
  6. Press “Power” to select the option
  7. Press “Volume down” to highlight “Yes” and press “Power
  8. Wait for the cache partition to be cleared. Once done, highlight “Reboot system now
  9. Press “Power” and confirm

NOTE: If clearing the cache partition didn’t help, you can visit this thread for instructions on how to factory reset the phone.

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 uninstalling it, you should be able to remove the app from within Safe Mode. In this mode, all third party apps are disabled. To turn off Safe Mode:

  1. First make sure the phone is turned off
  2. Next, press and hold “Power
  3. At the “Samsung” logo, release “Power” and immediately press and hold “Volume down” instead
  4. Once the phone finishes rebooting ,release “Volume down”. NOTE: A “Safe Mode” watermark should be visible in the lower-left corner of the screen
  5. To remove an app from the phone, first go to “Settings
  6. Tap “Applications” and select the desired app
  7. Tap “Uninstall” two times to confirm and remove the application
  8. To exit Safe Mode, press and hold “Power” and then tap “Restart

See More: Samsung Galaxy A8 (2016): Clear App Cache / Data; Wipe Cache Partition; Reboot to Safe Mode