Android TV box



Need some help have a qbox that came preloaded with Kodi 16 ,went to upgrade to 17 and lost all my addons in the process, followed the instructions to get exodus back on and it kept saying "could not connect to repository " tried it multiple times then deleted and reinstalled Kodi 17 same thing , so then I did a factory reset on my qbox and got Kodi 16 back up and running , still haveing the same thing come up with 16 "could not connect to repository" plus I can not download certain addons or update certain ones either