Here is how to install Ultra TV Addon On Kodi 17 Krypton:
01. From the main screen of Kodi click on Add-ons
02. Now click on Settings Icon that you can see at the top left side of your screen
03. Click on File Manager>Add Source
04. Click on None(Textbox) and Keyboard will pop up on the screen
05. Type in the web address http://ajbuilds.uk/secret/ and click on Done
06. After that click on TextBox underneath “Enter a name for this media Source”, type secret and click on OK
07. After that, you need to return back to the main screen of Kodi
08. Click on Addons>Addon Browser Icon
09. Click on Install From Zip File>secret
10. Click on plugin.video.Ultra TV.zip and wait for Addon Enabled notification
Ultra TV Addon is now installed. The Addon can be accessed by going back to the main screen of Kodi >Video Add-ons and there you will find Ultra TV Addon