I have tested this on all korean models. E250S, E250K, E250L. Everything works fine.
Based on N7105NEEFND3 S5 Themed
Stable & Fast
No Korean bloatware
No SMS Limits
Network Mode Menu
Device Model selection
Download & Copy the ROM And Kernel to device storage
Flash Custom Rcovery Via Odin-Download
Reboot into Recovery mode
Wipe Data Factory reset Clean to install new ROM
Install zip from SD card
Proceed with the Installation.
Reset To Factory
Reboot after everything finished.
Download Link: On YouTube