Unlocking original keys

[MIKUr1]

Hi. Somebody removed my post, so I will ask in new thread. Is there a possibility to unlock original Hitag key with key info file? Tried three times with three different cars whitout success.

[Xhorse]

Hi. Somebody removed my post, so I will ask in new thread. Is there a possibility to unlock original Hitag key with key info file? Tried three times with three different cars whitout success.

if you know LOW and HIGH pass - yes

[MIKUr1]

So if I know it, how it can be done? Tried with key info file, with eeprom and it doesn't work. Original PCF7944 key.