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Note9 fingerprint sensor not working

Superuser I
Superuser I

Try this - Settings - Three Dot Menu Top Right - Show System Apps - Search for Biometrics - Storage & Clear Cache & Data for Biometrics.
You could also try removing your Finger Prints & Register them again

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First Poster

Been there done that 

Superuser I
Superuser I

I found this on the web, hope it help, i have no other solution :

https://www.megebyte.com/how-to-fix-fingerprint-sensor-not-working-issue-on-galaxy-s9-plus/

Si j'ai pu vous aider un peu , cliquez sur le POUCE, Si j'ai résolu votre problème cliquez sur « Accepter comme solution » pour aider ceux qui se posent la même question. Merci
I f it help you a bit, click on the THUMB, If I solved your problem click on « Accept as a solution to help those who ask the same question. Thank you
First Poster

Hey I had this same issue on my SM-N960U. I tried just about everything I could find online. Nothing really did it. However, I recently performed a security scan to find I had malware on my device. I removed the malware via tools on my device, cleared the cache, and restarted the phone. All the sudden it was working again. I hope this helps anyone who has come across this issue.

First Poster

My God ITS WORKING

 

thank you very much for that tip 

 

I used Clean Master and cleared 2.38gb of some cache 

 

and tadaa its working again

First Poster

UPDATE: Regarding my last post, this seems to be a temporary fix. As my phone is acting up again. If this has worked for you I recommend deleting old prints and adding new ones as this may alleviate the issue further. Let me know your results. I am eager to hear others findings as this seems to be an ongoing issue for many people. 

NOTE: As far as I can tell this method doesnt work a second time, so strike while the iron is hot I suppose.

Observer

I also have same issue with my Note 9. I even tried resetting phone but still fingerprint is giving issue.

Observer

I have same problem with fingerprint in my phone (note 9) _ suddenly I tried to open my phone by fingerprint but wasn't working, I tried to add another fingerprint it's also not working.

What can I do ?

 

First Poster

I have been having the same problem with my Note 9. Mine also started about 3-4 weeks ago. I have restarted my phone several times. I have removed the previous fingerprints and added them back four times. Every time it passes all the tests and works for a while, but after a few hours it stops recognizing them again. Chatted with someone at Samsung who had me clear the cache partition and that didn't help. Has anyone found a reason for this yet and hopefully a fix? If not, it's just about as easy for me to just put in my 4 digit pass code.

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