In the log, we could see the following error message:
sudo ./flash.sh jetson-xavier-nx-devkit mmcblk0p1
###############################################################################
# L4T BSP Information:
# R32 , REVISION: 4.4
###############################################################################
Error: probing the target board failed.
Make sure the target board is connected through
USB port and is in recovery mode.
Info: [ Component Install Finished with Error ]
Please make sure the target board is connected through USB port and is in recovery mode.