740sc unlock done without deleting user files
logs:Preved!
Count supported models - 146
Searching Samsung USB Flash interface... not found
Set phone in flash mode (volume key down + 9 + PWR)
Reading file as 740SC... ok
Model: 740SC
Version: 740SCIL1
Info: Unlock and media patch
Searching Samsung USB Flash interface... detected (COM20)
Sending file 1 of 4... sended
Sending file 2 of 4... sended
Sending file 3 of 4... sended
Sending last file... skip
Flashing done (time - 00:03:12)