Fingerprint need calibration - Samsung Galaxy A71 Questions & Answers

My samsung a715FXX fingerprint need calibrate after unlocking the bootloader. how to fix it?
please help

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Question Unlock bootloader security concerns

Hello to everyone,
I wanted to unlock the bootloader of my device so I can modify it and I tried to follow the steps given by Xiaomi.
1] enable OEM unlock in developer settings,
2] connected my device to PC
3] signed in xiaomi unlocking tool
then a warning about security changes appeared before finalise the unlocking stating that i will lose fingerprint unlocking service of my phone.
The question is if someday I decide to return my phone to full stock state will fingerprint and the other security services return as functioning?
Thank you in advance.
Yeah you'll be fine. You will have to downalod rom image form xiaomi website, downalod xiaomi flashing tool, connect phone in fastboot mode and flash original os. Phone will be like brand new
And i don't remember that my fingerprint scanner had any problmes, now i have custom rom installed and its perfectly fine
Wociej said:
And i don't remember that my fingerprint scanner had any problmes, now i have custom rom installed and its perfectly fine
Click to expand...
Click to collapse
Thank you for the info. It's just what Xiaomi Unlock Tool reports I couldn't know.
The reason I am asking is because I need fingerprint services and NFC for my work.
Thanks again.
alexakispantazo said:
Thank you for the info. It's just what Xiaomi Unlock Tool reports I couldn't know.
The reason I am asking is because I need fingerprint services and NFC for my work.
Thanks again.
Click to expand...
Click to collapse
it will work... no issues with biometric sensor...
alexakispantazo said:
Thank you for the info. It's just what Xiaomi Unlock Tool reports I couldn't know.
The reason I am asking is because I need fingerprint services and NFC for my work.
Thanks again.
Click to expand...
Click to collapse
Will you install custom rom?
Wociej said:
Will you install custom rom?
Click to expand...
Click to collapse
I will try some custom roms and if they won't have the features I want I'll try the Indonesian region rom for mi apps. Also, I know I shouldn't relock the bootloader with custom roms, but can I relock it with different regions official roms?
alexakispantazo said:
I will try some custom roms and if they won't have the features I want I'll try the Indonesian region rom for mi apps. Also, I know I shouldn't relock the bootloader with custom roms, but can I relock it with different regions official roms?
Click to expand...
Click to collapse
Don't, bad idea.
alexakispantazo said:
Hello to everyone,
I wanted to unlock the bootloader of my device so I can modify it and I tried to follow the steps given by Xiaomi.
1] enable OEM unlock in developer settings,
2] connected my device to PC
3] signed in xiaomi unlocking tool
then a warning about security changes appeared before finalise the unlocking stating that i will lose fingerprint unlocking service of my phone.
The question is if someday I decide to return my phone to full stock state will fingerprint and the other security services return as functioning?
Thank you in advance.
Click to expand...
Click to collapse
Yes, everything works fine. If you want a close to stock experience flash xiaomi.eu, and everything will work. Fingerprint, facial recognition, nfc and banking apps will work perfectly fine, nothing to be worried about

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