How to update dtb without flashing on Jetson Nano production module

Autonomous Machines Jetson & Embedded Systems Jetson Nano
7

Please use this one. You may need to vary the dtb name if your board is using different dtb.

Linux_for_Tegra/bootloader$ sudo ./tegraflash.py --bl cboot.bin --bct  P3448_A00_4GB_Micron_4GB_lpddr4_204Mhz_P987.cfg --odmdata 0x94000 --bldtb tegra210-p3448-0000-p3449-0000-a00.dtb --applet nvtboot_recovery.bin --cmd "flash; reboot"  --cfg flash.xml --chip 0x21    --bins "EBT cboot.bin; DTB tegra210-p3448-0000-p3449-0000-a00.dtb" --cmd "sign;"

Copy the tegra210-p3448-0000-p3449-0000-a00.dtb.encrypt to your device and use dd command to overwrite the partition “DXB”

https://docs.nvidia.com/jetson/l4t/index.html#page/Tegra%2520Linux%2520Driver%2520Package%2520Development%2520Guide%2Fpart_config.html