Hub v3 impossible to connect

Maybe this post could help you: Hub v3 Connectivity Issues.

If it doesn’t connect successfully, I recommend reaching out to customer support through any of the following paths:

From the ST app

  1. Open the SmartThings app
  2. Go to the menu tab at the bottom-right corner.
  3. On this page, select the option “contact us” and then go to “Error reports”
  4. Select the topic related to your issue and follow the steps to submit your support request

Through the SmartThings Web page

  1. Enter this page
  2. Select the topic that is more accurate for your case
  3. Follow the steps presented to submit your support request