- To fix whatsapp fingerprint lock not showing then you need to clear cache and update your mobile or whatsapp and try disabling sensors on your mobile.
- Fingerprint lockscreen will not show on whatsapp due to any hardware issue or software glitches on your mobile or it can be due to corrupt files as well.
If WhatsApp is not recognizing your fingerprint sensor for authentication . Make sure that you have enabled fingerprint lock and your fingerprint supports fingerprint authentication.
WhatsApp only recognizes only the fingerprint that is registered with the phone for fingerprint lock.
How to fix fingerprint On WhatsApp ?
Step 1: Open WhatsApp application
Step 2: Click on “ more options “ .
Step 3: Click on “ settings”
Step 4: Then click on “ account “ .
Step 5: Click on “ privacy “ .
Step 6: Scroll to the bottom and tap “ fingerprint lock “ .
Step 7: Then turn off your fingerprint lock.
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Reason for the Fingerprint sensor not working properly or Not Showing ?
Hardware issue
Due to a problem in hardware, your fingerprint sensor has stopped working. It means that your fingerprint sensor has been damaged or an important part inside the phone that handles fingerprint scanning that has been damaged. So you need to identify hardware problems from software because it fixes problems easily.
Software Problem
Android software installed but not properly configured to use fingerprint scanner features which is preventing features from working properly.
Corrupt Data
It’s possible that the data stored in the phone storage has been corrupted due to which the fingerprint sensor is not working.
Fingerprint Sensor Gestures
It is possible that fingerprint gestures feature devices causing interruption with the important function system due to the fingerprint sensor not working properly.
Cache
Sometimes , cache stored in a device might have been corrupted so , this is a problem for sensors not working properly.
Solutions to Fix Whatsapp Fingerprint Sensor Not Working Properly
By following below methods you can fix whatsapp fingerprint not showing on samsung m series mobiles.
Solution 1 : Check Biometric Hardware
Step 1: Unlock your phone and click on dialer option.
Step 2: Next dial ” *#0* ”and tap on the call button.
Step 3: The diagnostic menu will be open then click on the sensor and then on the fingerprint scanner test from these.
Step 4: Click your finger on the scanner and check if it is working properly or not .
Step 5: If the scanner detects your finger and works properly that means it is not a hardware problem.
Step 6: If your fingerprint sensor is not recognise properly so you need to give service to your phone.
Solution 2 : Check for Updates
Step 1: Click on settings.
Step2: Click on the software update option.
Step 3: Next tap check for updates.
Step 4: If a new update is available click on download update manually .
Step 5: Wait for updating and install it.
The phone gets restarted and new android will be installed and whatsapp fingerprint not showing will start showing on your screen.
Solution: 3 Disabling Fingerprint Gestures
Step 1: Click on settings.
Step 2: Tap on the advanced features button.
Step 3: Then click on fingerprint gestures tool option to disable it
Step 4: Now, restart your phone.
By following above methods you can easily fix whatsapp fingerprint option not showing on samsung M series mobile – M31, M32, M21 or any other samsung Mobile.