how to unlock bootloader 1.39.00
hello i need sim unlock for htc butterfly htl21 from japan i tried to unlock boot loader through htcdev but i got this error
(We're sorry, but it appears your attempt to unlock the bootloader on this device has failed. This could be caused by several factors including simple errors in the entry of the unlock token, problems with your device, or a lack of manufacturer support for the unlocking process. Please see the specific error code listed below, and try again if necessary.)
Error Code: 160.
Error Reason: MID Not Allowed.
so how i can s-off or unlock this version??