How to recalibrate Black Shark Fingerprint Calibration

Just like any other smartphone that has a fingerprint, the Black Shark Fingerprint is used for security and shortcuts. Calibration of a fingerprint recognition system involves fine-tuning and improving its functionality. Multiple steps are involved in this process to ensure that the user’s fingerprint is identified correctly and reliably for authentication purposes. Fingerprint calibration is a crucial step in achieving high accuracy, security, and consistency in biometric authentication.

Black Shark Fingerprint recalibration helps to correct delay and not recognizing the fingerprint when you try to unlock your device

Here are the steps to recalibrate the Black Shark Fingerprint.

  • Enter *#*#466349#*#* on the dial keypad, Will jump to the fingerprint calibration interface,
  • Then click 售后校准, and 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 for this step to be 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.
  • Then wait for the calibration to complete
  • The fingerprint module must be completely covered during the calibration process, otherwise, the unlock rate will decrease
  • After success, restart the phone to re-enter the fingerprint and use the fingerprint to unlock.



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