Cant unlock Bootloader

Hello, i have a htc one mini and i need to unlock the lock screen.
I already try factory reset booting with volume - and power but dont work.
So i try to flash recovery but bootloader is locked.
I try to unlock bootloader i write the comand
-fastboot flash unlocktoken Unlock_code.bin-
i get this result


C:\>fastboot flash unlocktoken Unlock_code.bin
target reported max download size of 800227328 bytes
sending 'unlocktoken' (0 KB)...
OKAY [ 0.157s]
writing 'unlocktoken'...
(bootloader) unlock token check successfully
OKAY [ 0.012s]
finished. total time: 0.171s

But dont pop up anything on the phone.

any help? tanks