The main reason for accessing the WiFi Settings tab is to update the network password. If the WiFi password has changed, the EmbroideryConnect device will not be able to access the network. You will need to plug the device into the computer USB port to perform an update.
Occasionally you may also want to change WiFi networks. Make sure any new network is correctly configured and the computer running EmbroideryHub is connected.
Tip: The list of available WiFi networks may not refresh immediately. Try closing and re-opening the dialog for the selected EmbroideryConnect device as necessary.