If you are looking for 'Repair Network' function then you should use 'Patch Certificate'


Waiting ADB device... OK
Reading phone info...
Model: GT-I9300
Android version: 4.1.2
Product code: GT-I9300RWDKOR
Phone version: I9300XXEMG4
PDA version: I9300XXEMG4
CSC version: I9300OXAEMG4
CSC country code: Korea
CSC sales code: KOR
HW version: MP 1.500
Phone S/N: RF1D67R69KZ
Modem board:
RF cal date: 2013.6.28
IMEI: 357378056183345
Checking Super user right... false
Rooting phone, please wait... error (0300-103-104-1)
Done with Samsung Tool PRO v.25.0