HTL21 unlock failed

I was copied files for htl21 AU japan phone from xtc clip software
And insert clip to the phones and reboot to fastboot
After that it was read some files and jumping to diag
After that menu appear in which there was many option to Unlock,S-off and many more here my phone was stuck
I press all buttons voume +/- and power but no respones on phone
How to unlock this phone it stuck in diag mode

Shahzaib Jahangir