Steps
1. Connect Powered On Phone [Enable Usb Debugging / OEM unlock]
2. Select power off device and select phone model
3. when connecting [Open ADB Command Terminal] Enter "Reboot EDL"
4. You will show Unlock Done
--------- 2018-04-11 15:03:35 ---------
SigmaKey 2.27.11 Qcom: Direct unlock
Phone model: OT-9015 / 9015W
Baseband Processor: 8908
Detecting flash...eMMC, Flash size: 7.30 Gb
Hardware IMEI: 014620005326828
Reading security block...xjb0um00br00
Security area saved to "C:\Users\andrez\Documents\SigmaKey\security backup\0378847639\014620005326828_8908_eMMC_xjb0um00br00.skb"
Removing firmware protection....OK
Unlocking phone....Done
1. Connect Powered On Phone [Enable Usb Debugging / OEM unlock]
2. Select power off device and select phone model
3. when connecting [Open ADB Command Terminal] Enter "Reboot EDL"
4. You will show Unlock Done
--------- 2018-04-11 15:03:35 ---------
SigmaKey 2.27.11 Qcom: Direct unlock
Phone model: OT-9015 / 9015W
Baseband Processor: 8908
Detecting flash...eMMC, Flash size: 7.30 Gb
Hardware IMEI: 014620005326828
Reading security block...xjb0um00br00
Security area saved to "C:\Users\andrez\Documents\SigmaKey\security backup\0378847639\014620005326828_8908_eMMC_xjb0um00br00.skb"
Removing firmware protection....OK
Unlocking phone....Done