I have faced the same and am still facing it. Went to the service center they told me that the fingerprint sensor is cooked due to the update. You will have to replace the fingerprint sensor. If your phone is in warranty it'll be free of cost, or els...
The issue is still persistent, even after updating to One UI 8.5, it shows the fingerprint is not responding, restart your phone. Even after restarting, it doesn't work. And NO, it's not working after restoring all settings, and PC still shows the sa...