Be assure below given steps will solve the issue ;-
• The device may not recognize fingerprints that are affected by wrinkles, • The device may not recognize fingerprints from small or thin fingers., • To improve recognition performance, register fingerprints of the hand used most often to perform tasks on the device. • Ensure that the screen protector or the touchscreen on the fingerprint recognition sensor area is not scratched or damaged by objects, such as coins, keys, pens,and necklaces. • Ensure that your fingers are clean and dry.
If issue still persist please do send the log file via, Samsung member > Get help > Send feedback > Error reports > Select Symptom category. So that we can provide you the better assistance.(Note:-You are requested to send it within 15 minutes of problem occur).
