First time poster LOVE Khadas! I just wanted to let you know that the recent ubuntu EMMC xfce build
Will not verify the /uboot partition. The total filename is.
Which was downloaded here.
I used usb burning tool version 18.104.22.168
The server image: VIM3_Ubuntu-server-bionic_Linux-4.9_arm64_EMMC_V20191231
Did write successfully. I am doing this on Windows. I am not sure if this was already known but figured I would let you know.
EDIT:: I just found usb burn tool 2.2.0 and it worked without issue false alarm!