It is not possible as Nokia doesn't officially allow Bootloader unlocking. There is an unofficial way but it is paid. You can google it yourself. TechMesto offers the service.
Nokia doesn't allow bootloader unlock yet but there are few options available and its not recommended. Also there is rumor that nokia is going to make bootloader unlock in upcoming year.
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There's already 2-3 thread discuss bout that and one of them contains tutorial
It is not possible as Nokia doesn't officially allow Bootloader unlocking. There is an unofficial way but it is paid. You can google it yourself. TechMesto offers the service.
Nokia doesn't allow bootloader unlock yet but there are few options available and its not recommended. Also there is rumor that nokia is going to make bootloader unlock in upcoming year.
how to unlock my nokia 1
FAILED (remote: 'unknown command')
fastboot: error: Command failed
Nokia does not allow bootloader unlock. So, you cannot unlock the bootloader of your phone.