Originally Posted by eyc
After you've set up your face unlock, you can go back into "Security" and click on "Improve face matching." There, you can set additional "faces" (e.g., with glasses, hats, different angles, different lighting, etc.) I've found that after adding several faces, the face unlocking is even more accurate.
i use face unlock but i don't see the improve options either
can you please check the steps or take some screenshots?