Zte tempo x n9731 unlock error??

SigmaKey v.2.28.07
176183737 Sigma dongle 2.28, Initializing...OK
Pack 1: Activated
Pack 2: Activated
Pack 3: Activated
--------- 2018-08-23 12:06:19 ---------
SigmaKey 2.28.07 Qcom: Direct unlock
ZTE HS-USB Diagnostics Interface Driver (COM11), Provider: ZTE Corporation, Driver ver.: 10.2066.1.4, Date: 28.03.2011, USB\VID_19D2&PID_0500&REV_0310&MI_00
Phone model: Tempo X N9137 [?]
Version: N9137V1.0.0B16,
Firmware: MPSS.JO.3.0-00344-8909_GEN_PACK-1
Date: Oct 30 2017 10:56:46, Jul 25 2017 10:00:00, 8909.gen
Sending boot...Done
Restarting phone...Missing response from phone

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