See here http://forum.zidoo.tv/index.php?thr...rom-hdmi-in-app-03-07-2017-update.3392/page-4 Or 1 - flash the unit http://forum.zidoo.tv/index.php?threads/how-to-flash-zidoo-x9s-unit.2959/ 2 - download the version of the firmware you want and copy it at the root of a USB dongle 3 - upgrade the firmware: from home page click on "About" then "Update" and "Local update"