How to Change CSC on 4.2.2 Jelly Bean Galaxy S3 [Root]

Before few days Samsung has released a leak Android 4.2.2 jelly bean firmware for MEA region (Israel)

How To Change CSC for Samsung Galaxy Devices method will not work on 4.2.2 (waiting update) and I will show you how to change it.

Before starting :
BACKUP your important data before changing CSC

Steps :
1. Download "Android Terminal Emulator" app (Link below)
2. Open the app and type

Su

then enter
It will ask for root permission

3. Type

am start -a Android.intent.action.MAIN -n com.sec.Android.Preconfig/com.sec.Android.Preconfig.Preconfig

Then enter
It will open the "Preconfig"
4. Select sales code then Install

Your device will restart
Done!

Notes :
~ WARNING : Changing CSC will factory reset your device (delete all data)
~ This method will work only on ROOTED devices

Downloads :
Android Terminal Emulator App HERE
The leaked FW I9300XXUFME3_I9300OJKFME1_ILO.zip