Kindly complaint to Samsung customer support through Samsung Members App as error report also send log files Along with this error report for this issue and wait for next update may be fix it by Samsung team soon. If you like please accept as a solution it's help to others users also, click 3dots in my reply section and click on accept solution. Thanks.
As per your concern, we suggest you some tips to make your face unlock feature more efficiently.
1. Glasses, hats, masks, makeup, bangs, and beards can affect the recognition process. Adding an alternative look can help the device recognize you in different situations. 2. Make sure you are in a well-lit area and the camera lens is clean. 3. For best results, make sure your image is not blurry.
If the issue still persists kindly report the problems of your Samsung smartphone with a log file. To share a log file, click on the Samsung Members Application (Open Samsung Members Application > Support> Tap on error report > Type your query > Send).
