A:Answer Hi Sunny,
Thank you for showing your interest to know more about our refrigerator. SmartThings hub is not an add-on option, it is one of the features and benefits of getting this refrigerator. Once it's set up, the SmartThings hub will instantly connect to different sensors, locks, light switches, outlets, thermostats, and other compatible devices in your home.
This link will guide you regarding the steps you can follow in setting up your SmartThings hub.
https://www.samsung.com/us/support/answer/ANS00048957/
Moving forward here are other options to speak with our representatives for further assistance.
1. Facebook Messenger: http://m.me/samsungsupport
2. Twitter: https://twitter.com/messages/compose?recipient_id=18768513
3. Samsung Community:
https://us.community.samsung.com/t5/Samsung-Community/ct-p/us
Stay safe,
Reference Ticket Number: 1144189137
^Mila