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  • Posts: 2
  • Registered: ‎05-09-2021
  • Location: China
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  • Message 1 of 2

Fingerprint Sensor Not Working

2021-05-09, 2:19 AM

I can not use Fingerprint Sensor after unlocked my phone


the Solution is not work!


1. Take backup of /mnt/vendor/persist/goodix/

2. Delete goodix folder

3. Delete all saved fingerprints, if any

4. Reboot

5. Enter Edited: Codes are not allowed - Rich in dialer

6. Select CQA Menu Mode

7. Select Sensors -> After-Sales -> Fingerprint SPMT(Dual Rubber)

8. Start Test

9. Use White Paper under your thumb for FLESH FLAT

10. Cover entire screen with dark thick paper for BLACK FLAT

11. The test should pass. Go back to Sensors

12. Select G5GoodixSelfTest

13. Put your finger on sensor and you should get success

14. Select G5SPMT Test

15. Follow steps 9 and 10. For Last test, place your thumb directly on sensor. Test will fail.

16. Exit engineering mode and enroll fingerprints in maximum brightness

17. Enroll multiple entries for same finger

18. Keep locking and unlocking the phone and after few unlocks, sensor will work as new


13965 Posts


United States of America

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  • Posts: 13965
  • Registered: ‎03-05-2018
  • Location: United States of America
  • Views: 176290
  • Message 2 of 2

Re:Fingerprint Sensor Not Working

2021-05-09, 17:00 PM

Hi mushan1788


Thanks for the post. Are you able to unlock the phone using your fingerprint? Can you share more details what are you trying to do? 


Best regards,
Motorola-Lenovo Support

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