Y_ASUShi. that time i was using firmware WW-16.2017.2005.082. but after that i update to firmware WW-17.2017.2006.429 and tried again and suddenly i have unlock my phone. maybe firmware .082 cannot bypass the application to unlock the bootloader. can close this thread since issue is solved by changing firmware. Thank you
Hi sferalotus ,
Please tell us your firmware version: Settings > About phone > Build number. Thank you.