I'm proud owner of an ODROID XU4 REV 0.1 20180912 and would like to use your latest Image.
Here are the steps I have done on my Win 10 - 1803 PC:
Downloading your image file from your site
Unpacking with 7zip to .img
Starting Etcher Portable 1.5.63
Select the .img file
Connect my eMMC card (16GB) to my CardReader
This card is auto-selected by Etcher as Target device
Click on Flash
Etcher tranfers the image to the eMMC card and then validates it.
When ready i close Etcher, remove the card safely from my PC and pu