the log will tell you if it is cid24.
if the phone is before december 2005 then it is cid24. if the phone is december with IMEI 00/1, then it is cid24.
if it is december but IMEI has 00/1, then it is cid73.
to unlock the phone, if it is cid24, you have to flash firmware to it first, then do unlock. the unlock is real but, the original firmware is not unlockable; that is why you have to flash first. the firmware that is flashed first is able to be unlocked.