If your Kodi is Buffering too much and this is getting worse from day to day, this means that your device’s cache is almost full. There are 2 methods on How to decrease Kodi Buffering time, manually and automatically through an addon.
If you feel watching a video tutorial easier, scroll down to the video.
How to Decrease Kodi Buffering Time automatically:
In Kodi navigate to: System > File Manager > Add Source > Browse
Highlight the box underneath and type a name, for example: Echo and press OK
Go back to your Home Screen
Now navigate to: System > Addons > Install from zip file > Echo (the name that you previously wrote) > repository.echo-*.**.zip > Wait till Addon enabled notification appears
Select Install from Repository or Get Add-Ons (on Helix) > ECHO repository > Program Add-ons > ECHO Wizard > Install > Wait for Add-on enabled notification
Now, access the addon from Home screen -> Programs > ECHO Wizard > Specto > MAINTENANCE TOOLS, here take a look at the Cache size, Packages Size and Thumbnail Size this are 3 thing that make your Kodi buffer more and more.
To Clear Cache select > Auto Clean Device
Now that your Kodi is much faster, activate one of the Auto Cleaning methods that you like better. Weekly Auto Clean, Auto Clean on Kodi Launch or Auto Clean at Specific MB
Clean Kodi Cache and Decrease Kodi Buffering Time Video Tutorial