Restoring the Stock ChromeOS Firmware

Requirements

• Linux installed on the device, or a bootable Linux live USB.
• Network connectivity
• A USB containing your stock firmware backup image, or
• A ChromeOS Recovery USB

Restoring

1. Boot Linux

2. Ensure curl is installed

   • For Ubuntu-based distros, run: sudo apt update && sudo apt install -y curl

3. Run the Firmware Utility Script:

   • cd; curl -LO mrchromebox.tech/firmware-util.sh && sudo bash firmware-util.sh

4. Choose option 2: Restore Stock ChromeOS Firmware.

5. Follow the prompts. Reboot after successful completion.

With the stock ChromeOS firmware restored, you can now perform a ChromeOS USB recovery to reload ChromeOS.