Is this your first time using sdkmanager to flash this jetson Orin?
Could you
-
Put your board into recovery mode.
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Go to home/chadwick/nvidia/nvidia_sdk/JetPack_5.0.2_Linux_JETSON_AGX_ORIN_TARGETS/Linux_for_Tegra/
and run
sudo ./flash.sh jetson-agx-orin-devkit mmcblk0p1