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Where can I find the Serial Number of AirGradient ONE?

The method depends on whether you have a fully assembled unit or a DIY kit.

Fully Assembled Devices

For fully assembled units, it’s simple:

  • The serial number (SN) is printed on the back of the device
  • The model name (e.g. ONE, Open Air) is also indicated there

SN only.png

DIY Kits

Since DIY kits are assembled by you, the serial number is not printed on a case. There are a few ways to find it:

Method 1: On the device display

If the device is not connected to WiFi, the serial number will be part of the WiFi hotspot name shown on the display on startup:

image.png

The format it is displayed in is:

airgradient-<yourserialnumber>
  • The serial number appears after airgradient-

If your device is already connected to WiFi

  • Reboot the device
  • Wait for startup
  • The serial number will briefly appear on the screen

image.png

Tip: Use your phone camera to capture the SN quickly.

Method 2: Via Wi-Fi hotspot

  • Open the Wi-Fi settings on your phone or computer.

    • Look for a network named:

      airgradient-<yourserialnumber>
    • The serial number appears after airgradient-. On some phones, the SN may be truncated due to display size limitations, in that case, continue following the steps below.
    • Connect to this Wi-Fi network, password: cleanair
    • Once connected, either:
      • Wait for the Wi-Fi portal to open automatically, or
      • Manually go to 192.168.4.1 in your browser
    • The full serial number will be displayed in the portal.

    unnamed (1).png

    • Note it down.

    Method 3: Via Device Logs

    • Connect your AirGradient Open Air to your computer using a USB cable.
    • Open Google Chrome or Microsoft Edge (or any Chromium based browser)

    • Go to:

      https://www.airgradient.com/documentation/kb/kb-diy-online-debug
       

      image.png

    • Click the “Debug Now” button.
    • In the pop-up window:
      • Select the device labeled “USB JTAG/Serial debug unit…”
      • Click “Connect”
    • When prompted, select “Logs & Console” 

    image.png

    • A log window (black background) will appear.
    • Click the “Reset Device” button at the bottom right.

    image.png

    • The device will reboot, and logs will start appearing.
    • Look for the line containing:
    • Serial nr:

    image.png

    • The value shown after this is your device’s serial number.
      • You can use Ctrl + F to quickly find it.
  • Note it down.

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