G7105 UNLOCK failed

Hi brothers, try to unlock this model , install drivers bur still no possitive results

SigmaKey v.2.15.01 build 03
New version 2.15.02 is available on Sigma – MTK, Qualcomm, Broadcom, TI OMAP based flashing, unlocking, repair IMEI solution. We strongly
recommend to update SigmaKey!

************* Sigma dongle 2.15, Initializing…OK
Pack 1: Activated
Pack 2: Activated

Looking for S-Card… Not found (card readers searched: 0 of 2)
Please connect SigmaKey/Box

************* Sigma dongle 2.15, Initializing…OK

——— 2016-02-09 17:56:25 ———
SigmaKey 2.15.01b3 MTK: Get phone code
Plug the USB cable into the powered off phone…
USB Modem Driver (COM163), Provider: MTK, Driver ver.: 5.0.2153.1, Date: 2003-11-07, USB\Vid_0e8d&Pid_0003&Rev_0100
Unexpected response from the phone

——— 2016-02-09 17:56:49 ———
SigmaKey 2.15.01b3 MTK: Get phone code
Plug the USB cable into the powered off phone…

USB Modem Driver (COM163), Provider: MTK, Driver ver.: 5.0.2153.1, Date: 2003-11-07, USB\Vid_0e8d&Pid_0003&Rev_0100
Error opening serial port

——— 2016-02-09 17:57:19 ———
SigmaKey 2.15.01b3 MTK: Get unlock codes
Plug the USB cable into the powered off phone…
USB Modem Driver (COM163), Provider: MTK, Driver ver.: 5.0.2153.1, Date: 2003-11-07, USB\Vid_0e8d&Pid_0003&Rev_0100
Baseband Processor:MT6253, HW Rev. A.04, SW Rev. A.00
The phone is NOT connected properly. Read the manual at the official site for details.
——— 2016-02-09 17:58:49 ———
SigmaKey 2.15.01b3 MTK: Direct unlock
Plug the USB cable into the powered off phone…
USB Modem Driver (COM163), Provider: MTK, Driver ver.: 5.0.2153.1, Date: 2003-11-07, USB\Vid_0e8d&Pid_0003&Rev_0100
Baseband Processor:MT6253, HW Rev. A.04, SW Rev. A.00
The phone is NOT connected properly. Read the manual at the official site for details.

——— 2016-02-09 18:01:05 ———
SigmaKey 2.15.01b3 MTK: Direct unlock
Plug the USB cable into the powered off phone…
USB Modem Driver (COM164), Provider: MTK, Driver ver.: 5.0.2153.1, Date: 2003-11-07, USB\Vid_0e8d&Pid_0003&Rev_0100
Unexpected response from the phone

its possible to unlock this phone.