Reflash NRU-220S with JetPack 6.0 Production Release

Preparation

• Prepare a host computer that meets the following system requirements

  • x86 architecture

  • Ubuntu 20.04

  • 8GB Memory

  • 120GB Storage

• Download the Linux_for_Tegra and pre-built image from NRU NAS [link]. You may contact your sales representative to get the password.

• You should download these 2 files:

Linux_for_Tegra.tar
/bootloader/NRU220_20250616_JP60DP_501_32G.img

Extract files

• You can place the downloaded file anywhere you like. Here, we assume the file is in the ~/Downloads folder.

cd ~/Downloads
sudo tar -xvpf Linux_for_Tegra.tar

• and you will have a Linux_for_Tegra/ folder Move the pre-built image into your Linux_for_Tegra/bootloader/ folder and rename to system.img

cd ~/Downloads
sudo mv bootloader/NRU220_20250616_JP60DP_501_32G.img Linux_for_Tegra/bootloader/system.img

Flash

• Boot NRU-220S into recovery mode by

  • Hold down the recovery button above the power button

  • Press the power button

  • Wait for 5 second

  • Release the recovery button

• Connect the host machine with NRU-220S via a USB type A (on Host) to type C (on NRU-220s) cable

• If NRU-220S is ready to be flashed, you will see AGX Orin listed as a USB device after entering lsusb

Bus 001 Device 079: ID 0955:7223 NVIDIA Corp.

• Connect the host computer and NRU-220S with USB to Type C Cable

• On the host computer

# JAO32 / JAO64
cd ~/Downloads/Linux_for_Tegra/
sudo ./flash_JAO32GB_JAO64GB_system_image_reuse.sh

# JAOi
cd ~/Downloads/Linux_for_Tegra/
sudo ./flash_JAOi_system_image_reuse.sh