I can't change or reset the OS of my nvidia jetson xavier NX30D card

I could not install another operating system in my card. It doesn’t see the system I wrote to the SD card. It still boots ubuntu. I said I would at least upgrade to ubuntu, but I failed.

Please ask in the jetson xavier forum:
https://forums.developer.nvidia.com/c/agx-autonomous-machines/jetson-embedded-systems/jetson-xavier-nx/258