Samsung Ace 2 i8160 Unlock Done..

[cal_guy]

1- Type *#7284# then select modem on both usb and uart
2- Restart your phone.
3- connect usb and install drivers
4- select model and read info
5- press unlock
6- when prompted connect your rj45 cable (c3300K cable)
7- all codes set to 00000000 (eight zeros)

and you are done

Here is the log:
Selected model: I8160
Selected port: COM4 Z3X BOX Serial Port
Selected port speed: 115200
Searching Samsung modem... detected COM242
Reading phone info...
Software version: I8160XXLH3/I8160EVRLH1/I8160XXLH3/I8160XXLH3
IMEI: 35291205xxxx786
Product code: GT-I8160OKAEVR
Done with Samsung Tool v.13.9

Selected model: I8160
Selected port: COM4 Z3X BOX Serial Port
Selected port speed: 115200
Reading phone info...
Model: GT-I8160
Android version: 2.3.6
Product code: GT-I8160OKAEVR
Phone version: I8160XXLH3
PDA version: I8160XXLH3
CSC version: I8160EVRLH1
IMEI: Unknown
Checking Super user right... true
Reading data from phone... OK
Now connect phone to UART cable
Checking phone at COM4 OK
Bypass MSL... OK
Unlocking... OK
Unlock done
Codes set to 00000000
Done with Samsung Tool v.13.9

Thanks to Z3X Team