Dear Samsung Member,
Greetings from Samsung Customer Support!
Please perform the below mentioned steps to resolve the issue:
First, navigate to and open the Galaxy Wearable app on your phone.
For the Galaxy Buds or Buds+, tap About earbuds. Tap Reset earbuds, and then tap Reset to confirm.
For Gear IconX, tap the SETTINGS tab in the app, and then tap About Gear. Tap Reset Gear, and then tap RESET.
For further assistance, register your concern in Samsung Members Application (Open Samsung Members Application > Get help > Send Feedback > Error report/Ask questions).
Thank you for writing to Samsung.
Samsung Customer Support