This exercise will keep your android box free and clear of the cache filling up the boxes internal memory.
1. Go to to Setting (looks like a gear)
2. Look for Storage and click on it
3. Scroll down and click on Data Cache or just Cache
4. A pop up will appear click on OK
Cache will be cleared from all app on the box.
In case you're wondering, clearing cache may help when an or many apps misbehaving, or is running slower than usual.
*KODI Repositories and Tutorials*
How to uninstall an app
How to install an app
How to Putt the icon on your home screen
Clearing your cache manually
YouTube - How to's
Or visit http://www.wirelesshack.org/top-best-working-kodi-video-add-ons.html for more repositories