Update S3 Korea SHV-E210S to Android 4.3 with Root and Khmer Unicode

What you will need :
-Rom 4.3 for Galaxy S3 Korean SHV E210S
-Odin V3.07
-Khmer Font.zip
-CF Auto Root
-Update SuperSU

After downloaded above files, place it on your desktop and follow the below steps :

-Flash 4.3 rom with odin
-Flash CF Auto root to gain root access
-Flash Recovery via odin  to have custom recovery in order able to flash Khmer Font
-Copy UPDATE-SuperSU-v1.93.zip and Khmer Full JB.zip to external SD card
-Enter recovery and flash UPDATE-SuperSU-v1.93.zip and Khmer Full JB.zip

Your phone should now be rooted with Khmer Unicode. 

If khmer font still not work, Install Root Explorer and copy khmer font to system/fonts then restart your phone.

Credit to : www.pc-house.net