samsung s3850 hang&restart problem

1. Unit :
    samsung s3850

2.    Problem :
       hang/restart

3.    Tools/Action taken :
       Multi loader
      usb

 4.   Procedure :
      Press volume down+power+call button at same time

samsung s5560 unlock in z3x

Samsung A157 at@t provider Unlock done

Problem:
PHONE FREZEE

Tools:
Z3X BOX
MICRO URT CABLE

Procedure:
Run samsung tool
select model B7722
insert micro urt cable to phone w/out battery
tick read info
@ insert it back battery
wait till finish...

Screen shoots:

 insert non accepted sim @ turn on phone then type FREZEE CODE @ NET LOCK CODE