You can update via OTA, you may need to do two updates to get to the latest version. The latest official Minix XBMC for the X8-H Plus is the 13.3.3 version. There is a 15.3 version that was released for the U1 but its not finalised yet. However you can try it if you want - http://www.minixforum.com/downloads/download.php?file=MINIX_XBMC_20151230.apk You can also install Kodi from the playstore. You can have both Minix XBMC and Kodi from playstore installed at the same time if you want to compare both.