How to Fix Fingerprint issue on Black Shark 3/3 Pro after unlock

Fix Fingerprint Issue on Black Shark 3/ 3 Pro:

Fingerprint issue on Xiaomi Black Shark 3 / 3 Pro May appear after unlocking the bootloader, user who own a Black Shark 3/ 3 Pro Smartphone and having fingerprint issue can fix it by Following the below Instructions.

Xiaomi Black Shark 3 Pro Run on Android 10 & it is Powered by QCOM SD 865 Processor. the device come with 8GB/12GB of RAM and 128/256GB of Storage. it is a Dual SIM Gaming Phone Support Nano SIM cards.


  • Open Dialer and type *#*#466349#*#*
  • Open Fingerprint calibration interface
  • Then Click “After-sales calibration” you will be prompted to Put the FLASH FLA then click START
  • Click Start first, and then immediately press your thumb on the fingerprint module, keeping the phone from moving.
  • Wait until complete, then it will prompt Put the black FLAT
  • You can use black things, or wrap your thumb in black clothes, and then press and hold the fingerprint module.
  • Wait until complete (The fingerprint module must be completely covered during the calibration process)
  • After success, restart the phone to re-enter the fingerprint and use the fingerprint to unlock.
  • done

Source: xda


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