How To Access Google Assistant From Lock Screen. Then click on Assistant. Press on your avatar top left then choose Settings Assistant and Phone.
Then select Lock screen personal results. It can also be a little annoying if you accidentally. Toggle on Unlock with Voice Match.
Pick your device under Assistant devices.
I think that should do it. Turn on the option that says Hey Google. This will allow you to access your assistant by saying Hey Google when your phone screen is on. Accessing Google Assistant via the lock screen a feature that has typically only been available to Googles Pixel devices will soon so rolling out to other smartphones.