I can’t tell it can work or not, but you can refer to below thread: Flash AGX Xavier from Ubuntu 20.04, errors? - Jetson & Embedded Systems / Jetson AGX Xavier - NVIDIA Developer Forums
I can’t tell it can work or not, but you can refer to below thread: Flash AGX Xavier from Ubuntu 20.04, errors? - Jetson & Embedded Systems / Jetson AGX Xavier - NVIDIA Developer Forums