Update the Module Firmware

  • Once you are connected to your module's network, use your web browser to go to

  • Click Firmware, and then click Choose File.

  • Navigate to the folder you created in the Download the Latest Firmware Examples step.
  • Select 32420-Parallax-ESP-vnnn.ota (where nnn is the version number) and click Open.

  • Click the Update button.

The page should display "Updating…" for a few seconds, then "Updating done. Rebooting…" When it returns to the original "Please select an .ota file to load…", it means the update was successfully completed.