709sc unlocking problam

709sc unlocking problam
Sir plz help me how to unlock this phone
use digit in one cable both usb & rj45 or one
how to intend Qualcomm fashion or com
plz help

log here........

Searching sound at COM interface... unable to encounter phone
Searching Samsung USB interface... perceived (COM52)
Checking ambulatory state... normal
Model: 709SC
SW: 709SCGJ6
IMEI: 3541630119*****
Searching sound at COM interface... unable to encounter phone
Searching sound at COM interface... unable to encounter phone
Searching Qualcomm USB interface... not found
COM or QUALCOMM programme required
Checking ports... ok
Searching sound at COM interface... unable to encounter phone
Searching Qualcomm USB interface... not found
COM or QUALCOMM programme required