Mi 6 Fingerprint problem - Android Q&A, Help & Troubleshooting

Hi guys can someone help me with fingerprint issue of my xiaomi Mi 6? clearing cache and data from fingerprint works sometimes. when i reboot the device fingerprint doesnt work again and sometimes does. Fingerprint just dissappear even if the phone is resting? please help me.

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Fingerprint scanner stops working

Hi guys, i got my fingerprint scanner stop working after 5 or more hours and i have to reboot the phone to make it work again... I've tryied to open test menù from dialer and when is stopped the fingerprint test says"fail".
Edoardo001 said:
Hi guys, i got my fingerprint scanner stop working after 5 or more hours and i have to reboot the phone to make it work again... I've tryied to open test menù from dialer and when is stopped the fingerprint test says"fail".
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https://r.tapatalk.com/shareLink?ur...share_tid=3760387&share_fid=3793&share_type=t
Samsung Galaxy s9 plus Exynos Fingerprint sensor problem
Try turning off Finger Sensor Gestures
Edoardo001 said:
Hi guys, i got my fingerprint scanner stop working after 5 or more hours and i have to reboot the phone to make it work again... I've tryied to open test menù from dialer and when is stopped the fingerprint test says"fail".
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There is already an open thread about this problem with many tests and answers... Read there
https://forum.xda-developers.com/galaxy-s9-plus/help/samsung-galaxy-s9-plus-exynos-t3760387
Post can be closed.
The problem it's a software bug and it's a known problem. Samsung said they will fix with a software update.

Fingerprint sensor problem

My MediaPad M5 (SHT-W09) has worked up well until yesterday. Now the fingerprint sensor is not working. I have rebooted, turned off & restarted it. I think the sensor MAy have worked again for a very short way but it is definitely does not work now.
The sensor does not work at logon, does not work for my banking apps and is not seen by other apps.Some apps say that there is no fingerprint sensor.
Has an app or something captured the sensor? If so how do I determine what is "hogging" the sensor?
Or is the sensor no longer working? Is so, is there any way to fix it?
Chris
Has anyone had the fingerprint sensor fail?
Chris
I also have the exact same problem.
It began a couple of months ago. The fingerprint sensor would show up for a couple of minutes after a reboot, but now it has disappeared permanently. Even the settings app won't show it after a restart.
Have you found a solution or some insights that could help us debug this?
I tried clearing the cache and sometimes it works for a while then the problem would reoccur. I did a reset to factory and this fixed the problem for a while.
I did cut back the number of apps.
Now it works perfectly and I don't know what caused the issue! It may have been a stray app.
Sorry about not giving a definite answer.
Chris
I have the mediapad m5 lite and I am having the same problem. It was complaining that the fingerprint hardware wasn't working and I restarted and now it is unaware it exists, even in settings. What was the cache you cleared? Did you have any luck further discovering what the cause is?
The fingerprint sensor works well now.
As I said previously, it must have been an app but I have no idea what
Sorry
Stay safe

Fingerprint issue with toast showing 0x1021

Folks,
I just got a new poco f1 128 GB. When setting up Dashlane I noticed the phone wouldn't recognize the fingerprint when enabling the capability of unlocking the app with it and a toast showed what appears to be an error (the toast just says 0x1021 over and over and over again so it's possible the fingerprint reader is getting disabled after many _fake_ failed scanning attempts). After this, the fingerprint reader stops working until the phone is rebooted. No difference after updating to MIUI 10.1 (Pie).
Anyone else having this? Any way to fix it? Not being able to log into apps using the fingerprint massively sucks.
Cheers
hacktek said:
Folks,
I just got a new poco f1 128 GB. When setting up Dashlane I noticed the phone wouldn't recognize the fingerprint when enabling the capability of unlocking the app with it and a toast showed what appears to be an error (the toast just says 0x1021 over and over and over again so it's possible the fingerprint reader is getting disabled after many _fake_ failed scanning attempts). After this, the fingerprint reader stops working until the phone is rebooted. No difference after updating to MIUI 10.1 (Pie).
Anyone else having this? Any way to fix it? Not being able to log into apps using the fingerprint massively sucks.
Cheers
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Try factory reset, and if it's not working, contact your vendor and use your guaranty.
Same problem here. The strange thing is, that other apps (e.g. Ethos) don't have any problems with the fingerprint sensor. Hence I guess it's a Dashlane problem. BTW: my phone is a Xiaomi Mi 8 Lite ... but it's a Xiaomi with MIUI.
same here, only with Dashlane. Redmi Note 6 Pro

Failed to activate Dashlane fingerprint authentication

Seems that I can't activate fingerprint authentication in Dashlane app. It showed toast notification error code "0x1022" whenever I tried to scan my fingerprint to activate it. For troubleshooting, I tried clearing the app data, reinstall and even reformat my phone, still didn't reolve the issue.
Oddly enough, other apps that feature fingerprint authentication such as Onedrive, Authy, Magisk, and even Lastpass didn't have this kind of issue. I submitted my feedback to dev team of Dashlane. They tried with many devices but couldn't reproduce the issue. They suggested that the problem might be specific only for my device.
Can someone clarify that the Dashlane fingerprint authentication works on your pocophone device?
Might be worth to mention that I got that issue even before I unlock the bootloader on my device and rooted it.
Same problem
Same problem here on my Xiaomi Mi Mix 3
Mathass said:
Same problem here on my Xiaomi Mi Mix 3
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Did you had the same "0x1022" error?
Hello,
It's ok on stock ROM, not on xiaomi.eu
Dashlane fingerprint
Not working on redmi note 6 pro, I get same error code

Fingerprint sensor not working

Sorry for poor English
I have a x821 after 3 years of usage yesterday suddenly my fingerprint sensors have stopped working. Please help.
Edit - In all the other threads related to fingerprint issue the device fingerprint stopped working after few days a week but I don't know how my device fingerprint stop working after 3 years.
No problem now as I was able to come over this problem by -
I firstly installed small eui and then in settings of fingerprint just callibrated fingerprint and whoa!! my fingerprint was working again

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