lenovo a90 faild on unlock process

[dyo]

hi do i need to root the device in order to unlock it? I try in normal mode but Miracle EXE is shut down while unlock process is being

[dyo]

anyway i have lenovo a90-a and i can't use direct unlock to unlock the phone

[dyo]

here is the info

Starting..
Asking Server for Access..
Checking User Login.. ok
Starting Adb Server..
Waiting for Phone...
Manufacturer : LENOVO
Model : Lenovo S90-A
Android Version : 5.0.2
Platform : msm8916
Release Tags : release-keys
Network Type : Unknown,Unknown
Ril-Imp : Qualcomm RIL 1.0
Region : US
Hardware : qcom
Baseband : MPSS.DPM.1.0.c7.7-00039
>>Process Done...

and if i choose to direct unlock miracle will stop working


if i try to root in 2nd method miracle will stop

please help me unlock this phone

[dyo]

Rooting phone is done

Connecting to Phone,Wait..ok
Enable Diag Port...
Done.
Definition Applied
Connecting to Phone,Wait..ok
Hardware:qcom
Board:msm8916
CPU ABI:arm64-v8a
Manufacturer:lenovo
Model:lenovo s90-a
Android Ver:5.0.2
bootloader ver:unknown
USB config:diag,adb
User:buildslave
Baseband ver:mpss.dpm.1.0.c7.7-00039
Build number:s90-a_smart_s111_150527_row
ID:lrx22g
Region:us
Language:en
Chipset:msm8916
Root: Rooted(su)
>>Done

Still same error
when unlock process is selected