Fix Fingerprint Not Working on all the Xiaomi Devices

Fix Fingerprint not working, not responding and all other bugs and issues with the sensor on your Xiaomi Redmi & Mi phones with the complete detailed methods. Try the solutions below to solve the problems with the fingerprint scanner on Redmi and Mi

Fix Xiaomi Mi & Redmi Fingerprint issues with the best solutions below. Fingerprint Scanner or Sensor is the newest and heavily used feature on almost all the new smartphones. The Fingerprint acts as a tough layer of security for the device as it uses the biometrics of the finger to detect the original users of the phone. Sensor errors are common on Android phones and let us read them in detail.

Today in this post I will tell you the best solutions to fix all the Fingerprint issues on all the Xiaomi devices. As the Fingerprint issues are mostly due to software glitches, therefore, solutions to fix the fingerprint problem are generally the same for all the Xiaomi Models. That is all the solutions below that can work for all Xiaomi devices.

You can try the following methods on Xiaomi phones like Redmi Note 5, Mi A1, Redmi 5 Plus, Redmi Note 4, Note 5 Plus, Redmi 5, Xiaomi Mi6, Mi Max 2, Y1, Mi Max 3, Note 5A, Mi 6 Plus, Redmi 3S Prime, Poco X1, Poco X2, 4 Prime, Mi 6C, Redmi 3A, Mi 5S Poco F1, etc. Fix the issues like Fingerprint Not Working, Not responding, an error occurred with Fingerprint Scanner, couldn’t add fingerprint try again, etc.

Fix all the Xiaomi Redmi & Mi Fingerprint Issues

Note: I believe that you have rebooted the device but the problem is not solved. If not yet, then first restart the phone and check for the fix. If not done with a simple reboot then proceed with the solutions below.

Again Register Fingerprint

If your device fails to recognize your fingerprint, then you should try re-adding your fingerprint. With time the fingerprint sensor may not be able to recognize your fingers due to wear and tear of biometrics of your finger and it is pretty normal. Besides, there are times where if you do not properly set the fingerprint, it can cause such fingerprint issues.

The best solution is to register your fingers again. First of all, delete all the previously stored fingerprints.

First, you need to head on to Settings > Lockscreen & Password > Manage Fingerprint.

 

Remove_Fingerprint

  • Head on to Settings > Lockscreen & Password

Lockscreen_and_Password

  • Click on the Screen Lock & Fingerprint option.

Screen_Lock___Fingerprint

  • You can Add a Fingerprint.

Add_Fingerprint

  • Once it is completed, you will get a confirmation of Fingerprint added.

Free Up Internal Storage

Don’t know how they are linked but many smartphone users from multiple brands have reported that a fully filled internal storage is causing the fingerprint to not function properly. I recommend you to please clean up the internal storage. You need to keep at least a few GB of storage for apps data to be properly stored without causing any complications.

Clear Cache of the Phone

System cache is a small data stored by the Android system that helps phones load apps and other functions quickly. Heavy cache build-up may cause the fingerprint to not respond quickly. Just clear the cache of your mobile, this will clear the cache and does no harm to your files. The below steps may vary for MIUI Versions.

Step 1. Open the Updater app.

Step 2. Tap the Menu button > Reboot to Recovery mode. Tap Reboot now.

Step 3. In the Recovery mode, you can use the Volume buttons to move the highlight, and the Power button to select. Here, select English.

Step 4. Select Wipe & Reset and select Wipe Cache.

Delete Mi Cache recovery ModeStep 5. Tap Yes for confirmation.

Step 6. When the process completes, tap Back.

Step 7. Select Reboot and Reboot to System.

Try a Simple Fix

This simple fix can solve the issue in many of the devices.

Go to Developer options → Disable “Don’t keep activities”. Check for the fix.

If you wish you can also make Memory optimization (High). Reboot the phone and follow regular fingerprint adding procedures.

For Developer option

  • First, go to settings- about the phone
  • Tap 5 times in the MIUI version after
  • You will get the developer option in additional settings.

Switch to Guest User

  • Pull down the notification bar and here tap on the user account (right-top). Switch to the Guest user, you can also find the option under Android Settings.
  • Try to add the fingerprint.
  • If the solution works, switch back to your normal user account and clear the internal storage and add a new fingerprint. Done!

Reset the Phone

If nothing works, hard resetting the device is the only last resort. Some files may corrupt the fingerprint functioning and it may not be possible to fix it with any simple tweaks. The best option is to reset the device. This will clear any obsolete files clear the device to normal.

Try a Workaround

Workaround I

Just change the Pattern to Pin and add the fingerprint. When asked to press Next on-screen, Do Not Press Next! Put your finger on the scanner instead, and it will progress to the next page and follow the instruction until complete. The fingerprint should work fine.

Workaround II

Go to Settings → Screen lock and then Register unrecognized finger. Now don’t delete the fingerprints but remove the screen lock itself and then add screen lock and register your fingerprint.

Fingerprint Authentication

Solution 5. Reset the Phone

If none of the above works then resort to resetting the device. I recommend you to reset the device from the recovery mode.

Step 1. Open the Updater app.

Step 2. Tap the Menu button > Reboot to Recovery mode. Tap Reboot now.

Step 3. In the Recovery mode, you can use the Volume buttons to move the highlight, and the Power button to select. Here, select English.

Step 4. Select Wipe & Reset and select Wipe All Data.

For Rooted Devices/Flashed ROMs

Delete Some Files

Open the File Manager and go to data/system/

Here delete two files with extension ‘.key‘ and three files with word ‘locksettings‘in their full name.

Reboot the device and now again add a fingerprint. Done Cheers! 

You can also Delete

Delete these files on your rooted Xiaomi Phone.

/data/system/users/0/fpdata/user.db
/data/system/users/0/settings_fingerprint.xml

This could partially fix the issue.

Conclusion: With the solutions above you can fix any type of issues with your Xiaomi Redmi or Mi Fingerprint Sensor for normal as well as rooted devices. If you are still facing any issues I request you to post the problem in the comment section below. Also, visit any nearest Xiaomi Care for support.

I hope the post was helpful. Do comment below for any assistance or support if needed. Do share your issue if not resolved with the solutions above on Mi Forum for more suggestions.

If you've any thoughts on Fix Fingerprint Not Working on all the Xiaomi Devices, then feel free to drop in below comment box. Also, please subscribe to our DigitBin YouTube channel for videos tutorials. Cheers!

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Nikhil Azza
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79 Responses

  1. Chandan says:

    I am using red light y2. 3days ago my fingerprint sensor did not work then I rebooted the phone so it work half day and after some time its disappear then I have done factory reset still my sensor does not work. Give me solution.

    • Nikhil says:

      You need to contact support

  2. Chandan says:

    I am using redmi y2. 3days ago my fingerprint sensor did not work then I rebooted the phone so it work half day and after some time its disappear then I have done factory reset still my sensor does not work. Give me solution.

  3. RAroHD says:

    Thank you nikhil worked every time like a charm

  4. Muaz says:

    Mi5 finger print not working

  5. Satinder Singh says:

    Hi,
    Sometimes done doesn’t detect finger prints then place put finger again and again it will detect. Like my mu 5 fone

  6. Dineshdamor says:

    fingherprint option missing

  7. Dolly Jain says:

    I have mi a3 and i have deleted my finger print option not remove and when now i am again try to add my same fingerprint it is not working and if i add other finger print those are also not working and showing couldn’t unlock try again or finger print sensor is dirty but i cleaned many times still showing same error and i have also reset my phone but finger print also not working… can you help me about this?

  8. Jo Sundaram says:

    Redmi 5 fingerprint sensor not working last 6 month please help insection

  9. Venkateswarlu says:

    I am using redmi y2 mobile.
    Unfortunately deleted my finger print option.
    How to get it.

  10. We says:

    Redmi 7 I’ve removed screen lock but not able to remove app lock, after trying to open any app still display read as enter app lock password couldn’t read fingerprint

  11. Christian says:

    I was about to send the phone back, but now magically the fingerprint sensor started working again! It’s magical

  12. Frank A. S. says:

    Solution 6 worked for me (LineageOS 16, Android 9)
    tsu
    cd /data/system/users/0/
    mv settings_fingerprint.xml settings_fingerprint.xmlOLD
    cd fpdata/
    mv 0_38_0.BMF 0_38_0.BMFold
    mv 0_39_0.BMF 0_39_0.BMFold
    mv 0_41_0.BMF 0_41_0.BMFold
    /system/bin/reboot

  13. xXG4Xx says:

    Very thanks dude!

    Y make wipe cache/dalvyk, and erase the files in root mode.. reboot and voilá!

  14. resalatk says:

    hi i have got a redmi note 8 pro. and i have setup everything, face unlock fingerprint, one day when i wakeup in the morning i tryed to open my phone but it didnt work i mean face unlock fingerprint hadnt work..why this happend any idea>?

  15. Frank A. S. says:

    Solution 6 worked only for a short while.
    Deleting ‘locksettings’. Then you have to configure lock mode anew, fingerprints ok. After a short while fingerprint does not work again.
    Then I disabled Settings/System/System Profiles. (I had used System Profiles to keep the phone unlocked when connected to home wifi)
    From now on fingerprints worked as it should. After a day I went to Settings/Security & Location/Advanced/Trust Agents and enabled ‘Profiles Trust Provider’. Fingerprint alright. After some time I enabled the System Profiles in Settings/System/System Profiles .
    Everything alright now since yesterday: Fingerprints, staying unlocked in home wifi.

    Probably the fingerprint problem arose because ‘System Profiles’ was enabled, but not teh ‘Profiles Trust Provider’

  16. tindo says:

    thanks digitbin. solution 4 worked on my redmi 4x. awesome!

  17. Dragan says:

    Hi,
    Im using for 2 weeks Mi Note 10 pro. Fingerprint sensor works but is realy too slow. Sometimes I must put my finger 3-4 times to detect. For the premium model of Xiaomi I think that is big mistake. Do you have any solution for me?
    thanks in advance…..

  18. matt says:

    i have an Mi6, and the sensor is not working and the option to open the phone and apps has completely gone for fingerprint recognition. i have reset to factory standard and downloaded everything again and still not working.

  19. Mumin says:

    ᗰY ᖴIᑎGEᖇ ᑭᖇIᑎT Sensor option is not showing in my settings what to do

  20. Ritik says:

    I am using Redmi Note 4 . I had use app lock In some mobile apps but now I use these apps then it’s not open and it shows could not read fingerprint so please you are ask me to solve this problem..

  21. khush bhatt says:

    thank you for giving solution😊

  22. Aniket says:

    In Redmi note 8 fingerprint not working and fingerprint option not showing in lock settings after software update.please suggest.

    • Aatish kumar sahu says:

      I am redmi 8 user & i am facing problem of finger print not working issues then i delete all my finger print & add multiple finger & reboot my phone & it’s work

      I suggest uu clean your finger & use

  23. MD sahin kadir says:

    Redmi 6 Fingerprint system problem

  24. Sue says:

    My phone has all of a sudden put finderprint on the lock screen without me setting the fingerprint option. I can get around by swiping at the phone vigourously a number of times to open it. Very frustrating! I don’t even want to use fingerprint option at all. Any solution?

  25. bashcie says:

    2021-03-23
    issue happens on several apps on my mi9lite – none of the help above helped.
    any ideas?

    • Nikhil Azza says:

      If you have your internal storage filled then the issue is pretty common, just clean up the ROM (Internal) Storage

  26. Royson says:

    My Redmi K20 Finger Print Sensor is Working But It Would Unlock Others finger print also Pls Give me a Solution

    • Nikhil Azza says:

      Just re-register your fingers

  27. jMSS says:

    if a new fingerprint does not want to be added (Redmi Note 5): reboot to twrp, make sure it mounts /data successfully, then delete these files:

    /data/vendor_de/0/fpdata/user.db, (!)
    /data/system/users/0/settings_fingerprint.xml,
    /data/system/users/0/fpdata/*

  28. pulagoru shekar says:

    Iam using mi y2 mobile
    It is showing couldn’t add finger print and try again….
    How can I solve this problem
    Plz tell me…
    Iam waiting for your msg…..
    Thank you….

    • Nikhil Azza says:

      Try safe mode and add a finger. If you are able to then reset the device the fingerprint should work fine

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