https://odroid.in/ubuntu_20.04lts/XU3_XU4_MC1_HC1_HC2/ubuntu-20.04-5.4-minimal-odroid-xu4-20210112.img.xz

root / odroid 

apt update
apt upgrade
apt dist-upgrade
reboot

Some UASP capable USB-to-SATA bridge controllers are not compatible. If your external HDD is not working properly, add its VID/PID in boot.ini Boot arguments to disable the UAS function something like this.

usb-storage.quirks=0x0bc2:0x2322:u