[S922X] Ugoos AM6(+), Help & Support

I hav been following the following two guides to install coreelec on my ugoos amb6+:

  1. [Guide] S922X-J (Ugoos AM6b+) CoreELEC installation and FAQs Have spent around 100h so far and nothing works.
  2. https://www.reddit.com/r/PleX/comments/1ajszn9/remux_lovers_rejoice_the_coreelec_team_has/

Installing plex works. Installing plextuary gives me add-on install failed. Installing kodi Log Viewer gives me add-on install failed. I don’t know how to upload the log or anything. Please instruct me how to upload the log. I expect to be able to install any add-on I want at will