SmartThings Invalid Refresh Token: Steps to resolve

Thank you! Confirming this worked for me.

Step 2: As at June 2024, the SmartThings app (on Android at least) says “Routines” and not “Automations”.

Last step: Instead of restarting Home Assistant, you can go to Settings → Devices and Services, then select the Smart Things service, hit the menu icon and select “Reload”. This will reload the Integration with the new token information.