From the Home screen, swipe to Settings.
Tap Settings
Tap Storage.
Tap Internal shared storage.
Tap Storage manager.
Tap or slide the Use Storage manager switch to ON.
Tap OK.
Swipe from the left or right edge of the screen to go back.
Smart Storage will remove backed up photos and videos on your device when you run out of space.
Tap Manage storage.
From this screen you can remove recommended items from your device.
Tap Clean.
Tap Clear.
Swipe from the left or right edge of the screen to go back.
Select a category.
You've completed the steps!
