how to unlock zte blade Q lux


try unlock but get error like this

Port : COM23 : CT_ZTE_3GPhone_AT_Interface (COM23)
Baud Rate : 921600
Device : QC Universal
Operation : Read Codes
Opening Port… OK
Reading Information… OK
Compile : Apr 21 2015 12:08:22
Release : Mar 19 2015 14:00:00
Hw Ver. : EAAAANUZ
IMEI : 866671025017444
Reading Personalization Data… Failed
Port Closed.
Operation Finished.
Elapsed Time: 00:02
[Module Ver. 2.8]
Log Saved to Logs0831_192441.log