Ambient Weather Support

How Do I Update Firmware, WS-2902?

This help guide is intended to be used with WS-2902 model of weather station

If you have a WS-2902A, WS-2902B or WS-2902C please go the guide here


To update the firmware, launch AmbientTool  (for model WS-2902) from your mobile device.

On the Device Info panel, the current Firmware Version is listed, as well as the latest upgrade version.