Here is up to date kodi build via Durextv Wizard it is awesome very big build.
This also works on any version of Krypton that you have 17.1, 17.3, 17.4, 17.5 and Forked Version MMC 17.1
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New Best Kodi 17.6 Build Jan 2018 Review
– New Kodi Build Install Step By Step Guide & Setup