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Fingerprint reader not working

2019-06-17, 12:00 PM

Have had my z4 up and running since 6/14. No issues with the fingerprint reader untill today. Screen and finger are both clean and I am not using a screen protector. 

It's like the reader can't see anything. I tried to register another but that also won't accept anything. Tried restarting, that also did not help.

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3736 Posts

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Re: Fingerprint reader not working

2019-06-17, 12:38 PM

Sorry to hear that, that's a bummer.  Since this is one of the first phones with optical in screen readers there probably are not many "proven" checklists of troubleshooting steps yet.  Have you tried deleting all saved fingerprints > reboot > re-save one and see if it works?

~Scott
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52 Posts

06-05-2019

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Re: Fingerprint reader not working

2019-06-17, 13:25 PM

Mine is lousy, too. I'm successful about 1 time out of 10. I've given up and am using a pattern + face ID. 

 

Jamie

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Re: Fingerprint reader not working

2019-06-17, 13:27 PM

I have yet to have one failed read.  Have you removed that screen protector and tried to re-save one?

 


 wrote:

Mine is lousy, too. I'm successful about 1 time out of 10. I've given up and am using a pattern + face ID. 

 

Jamie


 

~Scott
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Re: Fingerprint reader not working

2019-06-17, 13:33 PM
Yep - Pulled the screen screen protector. I tried rescanning multiple times. Maybe I have defective fingers.

Jamie
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Re: Fingerprint reader not working

2019-06-17, 13:35 PM

 wrote:
Yep - Pulled the screen screen protector. I tried rescanning multiple times. Maybe I have defective fingers.

Jamie

Did you delete the original saved fingerprints and start over after removing the screen protector?

~Scott
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Re: Fingerprint reader not working

2019-06-17, 13:43 PM

Yep! Tried it a couple times. Tried pressing softly, tried presing harder, tried the sides, tried different rotation angles. 

 

Jamie

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Re: Fingerprint reader not working

2019-06-17, 14:12 PM

 wrote:

Sorry to hear that, that's a bummer.  Since this is one of the first phones with optical in screen readers there probably are not many "proven" checklists of troubleshooting steps yet.  Have you tried deleting all saved fingerprints > reboot > re-save one and see if it works?



 

Haven't tried deleting it yet as I had no issues for the first few days. I tried starting in safe mode and it began to work again. So I restarted in normal and it worked temporarily, but now I'm back to it not accepting anything.

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Re: Fingerprint reader not working

2019-06-17, 14:20 PM

Another weird thing to add... I am now not having any problems using it within apps.  I tried 4 different banking apps and they all let me logon with fingerprint. Very quickly i might add.  But unlocking the phone it refuses to work. Its almost like it is having wake issues from the lcok screen,

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Re: Fingerprint reader not working

2019-06-17, 14:22 PM
Interesting. I'll try it from within apps and report back later today.

Jamie
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