To update IAQ sensor firmware, download the following file:

Step-by-step guide:

  1. Extract the downloaded archive into any folder - the file path should not contain any spaces or diacritics,
  2. Open the sensor's web interface accessible via Wi-Fi,
  3. Upon opening the page click on FW Update on the left panel. You need to enter your login and password to access the sensor's configuration (default: admin/admin),
  4. A page will open. Click on Browse or Choose File depending on the browser used. A window will open in which look for the firmware file and confirm its selection. The window will close by doing so.
  5. Click on the Save green button. Don't close the window! Wait until the process finishes.
  6. Upon successful FW upload reboot the sensor, using either the corresponding button in the web interface, or by unplugging the power supply and plugging it back.

Always make sure you are uploading the correct firmware file. An incorrect file can result in damage to the device.