Clear App Cache/Data:

NOTE: If an app causes issues or takes up too much storage inexplicably, you can try fixing the issues by clearing the apps cache or data. WARNING! When you clear an apps data, all of your data stored within the app will be deleted, including personalized settings, user profiles, login information etc. To avoid losing personal app data, clear ONLY the app cache.

  1. On the home screen, swipe up from the bottom
  2. Open Settings and go to Apps & Notifications
  3. Switch to See all apps
  4. Select the desired app and tap Storage > Clear cache
  5. If clearing the app cache didnt fix the issues, tap Clear data (Check the WARNING above)

Reset Network and App Settings, Factory Reset the Phone:

NOTE: Before you factory reset the phone, ensure youve backed up all of your data.

  1. Launch Settings
  2. Access System
  3. Tap Reset options
  4. To reset network settings, tap Reset Wi-Fi Mobile & Bluetooth and tap Reset two times
  5. To reset apps settings, access Reset app preferences and tap Reset apps
  6. To factory reset the device, tap Erase all data (Factory Reset) > Reset phone
  7. Tap Erase everything

Reboot to Safe Mode and Remove Apps:

NOTE: If a third-party app causes issues and prevents you from removing it, you should be able to remove the app while in Safe Mode. In this mode, all third-party apps are disabled.

  1. Press and hold power
  2. Tap and hold Power off in the power management pop-up
  3. Wait for the phone to finish rebooting, and once done, a Safe Mode watermark should be visible in the lower area of the home screen
  4. Launch Settings
  5. Go to Apps & Notifications
  6. If necessary, switch to All apps
  7. Select the desired app and tap Uninstall > OK
  8. To exit Safe Mode, reboot the phone normally

See More: BLU Vivo XL4: Clear App Cache/Data, Factory Reset, Remove Apps in Safe Mode