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Unlocking the Bootloader through this method may cause the fingerprint to be lost,
and it needs to be recalibrated before it can be used.
Fingerprint calibration tutorial
Enter *#*#466349#*#* on the dial keypad
Will jump to the fingerprint calibration interface,
Then click 售后校准, 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.