Windows companion permission if the touch back is not working

Windows companion permission if the touch back is not working

-Go to Firewall setting.
-Click on Allow apps to communicate through windows defender firewall.
-Click on Change setting.
-Allow permissions to the companion app Knuera Teach/AirMind Thinker appearing ( you will notice two name, allow both of them)

Note: This is available on Galileo, AirMind Thinker and Spark Touch IoT.