The Internode Mirror contains a wide selection of software for download by Internode customers.
File Download Mirror Directory Listing
Index of /pub/debian/dists/Debian10.13/main/installer-armhf/20190702+deb10u13/images/u-boot/Cubietruck/
Index of /pub/debian/dists/Debian10.13/main/installer-armhf/20190702+deb10u13/images/u-boot/Cubietruck/