How to unlock alcatel A576cc network unlock?

Hi team i have Alcatel A576cc how can i unlock network lock?

when i m trying to via qaulcom mode i get this error

Code:

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SigmaKey 2.29.13b1 Qcom: Direct unlock
Qualcomm HS-USB QDLoader 9008 (COM10), Provider: Qualcomm Incorporated, Driver ver.: 2.1.2.0, Date: 8/31/2015, USB\VID_05C6&PID_9008&REV_0000
Phone model: OT-A576CC
Missing response from phone

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