Advice about Fingerprint recognition related to front screen cover

Last Update Date : Oct 25. 2019

Samsung has released a software update to resolve a security issue with fingerprint recognition. If the user has a Note10, Note10+, S10, S10+ or S10 5G device and has registered a fingerprint, the user will get a notification about Biometrics update and notifications are being sent out gradually.

 

I have seen the reports that the fingerprint of Galaxy device with ultrasonic fingerprint sensor may be unlocked by patterns of the silicone case. Is this true and what should I do for this? Click to Expand

Samsung is aware of this symptom which may appear on some devices with ultrasonic fingerprint sensor and this
issue will be resolved with a upcoming software update. This symptom may appear when both silicone case’s patterns and fingerprint are recognized together on device while attaching some silicone cases with specific patterns. Regarding this, Samsung is scheduled to release a new update in the near future.

 

Samsung encourages users to keep software and apps updated to latest version. If you’re currently using a front silicone cover, remove the cover and re-register the new fingerprint to avoid the fingerprint recognition malfunctions that may appear on device. And we recommend not to use the cover before release of new software.

Why update notification for my device does not come yet?Click to Expand

Please note that the notification will be sent gradually only to customers that have fingerprints registered on their phone.

Notifications will not be sent if fingerprints have not been registered. 

Update procedureClick to Expand
1 Tap and open when receive notification
fingerprint update procedure
2 Read the notices carefully and then tap Update button
fingerprint update procedure
3 Update is processed
fingerprint update procedure
4 If update is finished, restart your device
fingerprint update procedure
How to check if the update is completed successfully ?Click to Expand
1 From Settings, tap Biometrics and security
fingerprint update procedure
2 Tap Biometrics preferences
fingerprint update procedure
3 Check the Version name of fingerprints.

If the update is completed successfully, version is like next.

   
P OS: Fingerprints 2.0.24.20
Q OS : Fingerprints 5.0.0.1 

fingerprint update procedure
Should I restart the device after update?Click to Expand

Yes. Device works properly when you restart the device after update. Thus please make sure to restart the device after update and then re-register fingerprint. Also you should make sure that there's no screen cover when you register new fingerprints. You may not be able to register or scan your fingerprints if you use a screen cover, especially any screen cover with a bumped or dotted pattern.

I had updated Biometric software but sympton remain. Why ?Click to Expand

Whoever used the front screen cover may experience the same symptom if maintain the previous fingerprint after update because registered fingerprint before update may have the wrong fingerprint information. 

 

Thus if you had registered or scanned a fingerprint with a silicone screen cover on phone, especially a screen cover with a textured surface on the inside, you should remove all of existing fingerprints and re-register them again without the front cover after update is complete.

 

Once again, you should make sure that there's no screen cover while registering new fingerprints. You may not be able to register or scan your fingerprints if you use a screen cover, especially any screen cover with a bumped or dotted pattern. 

 

Please use  whole fingerprint while register new fingerprints.

Why cannot delete the update notification about fingerprint recognition malfunction ?Click to Expand

This application update contains important security enhancements so must be installed.

Please note that you cannot delete the notification display until the update is installed.

Why should I re-register the fingerprint again after update? ?Click to Expand

Users who have ever used the front screen cover may experience the same symptom if they maintain the previous fingerprint after update because the registered fingerprints before update may have the wrong fingerprint information. 

 

Thus if you had registered or scanned a fingerprint with a silicone screen cover on phone, especially a screen cover with a textured surface on the inside, you should remove all of existing fingerprints and re-register them again without the front cover after update is complete. 

 

Once again, you should make sure that there's no screen cover when you register new fingerprints. You may not be able to register or scan your fingerprints if you use a screen cover, especially any screen cover with a bumped or dotted pattern.

I feel fingerprint is not recognized properly on device after update. Click to Expand

If your fingerprint is not scanned properly, please delete the existing registered fingerprint and re-register to use them. If similar symptoms still appear after re-registration, please visit to the Authorized Samsung Service Center with device.

 

Can I attach the 3’rd party’s front covers freely with device after update?Click to Expand

The security about fingerprint registration and authentication was enhanced with this update. So after the update, you may not be able to

register or scan your fingerprints if you use a *screen cover. For security enhancement, please use your device without the front cover regardless of front cover’s shape.

 

 

* Especially any screen cover with a bumped or dotted pattern including dome glass, protective cover, 3’rd party’s protective film, etc

Can I register or recognize fingerprint with the front cover on after update?Click to Expand

The security about fingerprint registration and authentication was enhanced with this update. So after the update, you may not be able to

register or scan your fingerprints if you use a *screen cover. For security enhancement, please use your device without the front cover regardless of front cover’s shape.

 

 

* Especially any screen cover with a bumped or dotted pattern including dome glass, protective cover, 3’rd party’s protective film, etc

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