It is Very important to have the Stock and Official Updates for your Samsung Galaxy Note 2 Korea, Below you can get the one that suits to your Smartphone, Many versions, Countries, And Languages are available too.
Free Download Links for Samsung Galaxy Note 2 Korea Softwares:
E250KKKUENC3_KTTENC3_KTF_Korea_4.3.zip - 1.1 GB
E250LKLUENC3_LGTENC3_LGT_Korea_4.3.zip - 1.2 GB
E250SKSUENC3_SKTENC3_SKT_South_Korea_4.3.zip - 1.4 GB