I have installed the latest version for LSDK 21.08 and flashed the image for SD card mode and tried to boot but i'm unable to login using the given credentials as mentioned in the user guide.
Ubuntu 20.04.2 LTS localhost.localdomain ttyAMA0
localhost login: root
Password:
Login incorrect
localhost login: user
Password:
Login incorrect
Please use username and password all "root".
If your problem persists, please reinstall LSDK 21.08 pre-built images to SD card.