We will use the release page of wiz550s2e's in github.
Ver 1.4.0 - Modbus Ver
Ver 1.3.0 - MQTT Ver
For more information about the changes for each version, please see Revision History
For all revision binary files including below, you can see at the release page of wiz550s2e's in GitHub.
We will not upload files in here.
We will use the release page of configuration's in github.