Bootloader Update Error

Autonomous Machines Jetson & Embedded Systems Jetson Nano
16

yes ,we are used command"sudo BOARDID=3448 BOARDSKU=0002 FAB=300 FUSELEVEL=fuselevel_production ./nvmassflashgen.sh jetson-nano-devkit-emmc-smpsq mmcblk0p1" to generate Mass-flash image.