How to fix fingerprint scanner not working Galaxy S9 and S9 plus

Samsung galaxy S9 and galaxy S9 plus has several lock screen security features including Intelligent scan, Fingerprint scanner, Iris scanner, Face recognition and more. But in several forums, you can see users reported fingerprint scanner not working galaxy S9 and galaxy S9 plus. Have you been ever facing this kind of trouble on your S9 devices?

Sometimes while unlock galaxy S9 & S9 plus using fingerprint, you can see message of fingerprint scanner is not responding. After surfing the web, I can found four possible solutions to fix this issue. Check out below given troubleshooting methods to fix fingerprint scanner not working galaxy S9 and S9 plus.

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How to fix fingerprint scanner not working Galaxy S9 and S9 plus

Here you can see four possible ways to fix galaxy S9 fingerprint scanner stopped working or not responding.


1st Method: Waiting for system software update    

First of all check any system software update is available in your galaxy S9 and S9 plus. If available then update you’re S9 & S9 plus, it might fix issue in your devices.

Settings > Software update > download updates

You can also set automatically schedule software update on galaxy S9 and galaxy S9 plus devices.

2nd Method: Remove inserted fingerprint and again add fingerprint

Delete all your added fingerprint from your galaxy S9 and galaxy S9 plus devices using below settings.

Step 1: Go to settings or swipe down notification panel and tap on Settings gear icon

Step 2: Tap on Lock screen and security

Step 3: Tap on Fingerprint scanner under Biometrics section

Step 4: Select fingerprint & tap on Trash icon to remove from your device

Now again set up fingerprint on Samsung S9 and galaxy S9 plus device.

3rd Method: Disable finger sensor gesture to fix fingerprint scanner not working galaxy S9 and S9 plus

While enable finger sensor gesture on S9 & S9 plus, swipe up or down on the fingerprint sensor to quickly open notification panel. But remember this gesture not working when the sensor is actively detecting your fingerprint. Turn off finger sensor gesture on galaxy S9 and galaxy S9 plus device and check fingerprint sensor working or not.

Settings > Advanced features > Finger sensor gesture

If none of the above method fix galaxy S9 and galaxy S9 plus fingerprint not responding, try below given methods.

4th Method: Factory data reset galaxy S9 and S9 plus

Reset galaxy S9 plus and galaxy S9 to its factory default settings. This will delete all data including downloaded apps, files and other data. Before factory reset galaxy S9 plus and S9, back up your important data safely.

Step 1: Go to settings in S9 & S9 plus

Step 2: Tap on General management

Step 3: Tap on reset under reset section

Step 4: Tap on Factory data reset under reset settings

Step 5: Tap on Reset phone

Confirm your pattern lock or other lock screen security you set.

Step 6: Tap on Erase everything

Now restart your device and set up fingerprint and check fix issue or not.

End the list of possible solutions to fix fingerprint scanner not working galaxy S9 and galaxy S9 plus. Do you know any other solutions? Share with us in below comment box. Don’t forget to mention which method worked for you to fix issue.

About bestusefultips

I'm Arpit Patel, techno lover from India. Bestusefultips is a technology website focused on latest Android news, tricks & tips related android devices, tutorials and videos.

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