Samsung I337 Andriod version 4.3 unlock done Solution

Reading IMEI...
Searching for Phone...
Searching for Phone...
Reading and backing NV items. This may take a while...
NvItems saved to file C:\Documents and Settings\All Users\Application Data\NsTeam\NsProBackup\NvItems\I337_3565650535008 3.bin
Waiting for phone...
Checking if phone is Rooted...
Root Access Granted!
Unlocking...
Waiting for phone...
Searching for Phone...
Searching for Phone...
Processing...
New Security Detected!
Waiting for phone...
Phone Detected!...
Bypasing MSL Security...
Authenticating...
Authentication Successful
Processing...
Restoring NV Items...
Restarting phone...
Operation successfully completed

TIPS ;first root the phone all for usb cable
imei ok ...network ..ok use the last vercion 6.7.3

thanks nspro team i try the rest boxes of samsung and nothing only nspro done