Moto Z2 At&T Unlocking phone.......Unsupported phone model

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SigmaKey 2.30.01 Qcom: Direct unlock
Motorola QC Diag Port (COM108), Provider: Motorola, Driver ver.: 5.1.0.0, Date: 28/02/2013, USB\VID_22B8&PID_2EE5&REV_0404&MI_00
Firmware: MPSS.AT.2.0.c4.4-00071-8998_GEN_PACK-1
Date: Jun 21 2017 02:46:28, Jun 19 2017 13:00:00, 8998.gen
Software IMEI: 35331108XXXXXXX
Bluetooth address: 000000000000
Unlocking phone.......Unsupported phone model