The Korean models of Samsung Galaxy S5 were the first S5 devices to receive Android 5.0 Lollipop OTA updates. Currently the firmwares are already being pushed out, while you can anytime choose whether to use the OTA roll out, or to manually install Lollipop by using Odin and Samsung KIES.
Now, if you have applied Android 5.0 Lollipop OS on your Korean model of Samsung Galaxy S5, then you might want to know that a compatible root solution has been made available for your device. This SuperSu package has been developed by Chainfire and it is available for all the Korean Galaxy S5 smartphones that are running on official Lollipop OS.
All you have to do for ensuring root access is to download SuperSU along with other dedicated apps (check the following lines for further details) on your computer and to flash the same root exploits by using CWM recovery or any other custom recovery image that’s compatible with Android 5.0 software. By the way, CWM recovery is indeed released for Lollipop system, so you can also install this custom recovery image on your Galaxy S5 anytime you want.
Do remember that flashing CWM recovery and gaining root access are two unofficial and custom operations that aren’t related in any matter with Samsung or with Google. Your Galaxy S5 warranty will get void if you choose to apply the new SuperSU package, so be careful when completing the unlock process.
Also, don’t forget to save your personal data before installing CWM recovery and before rooting Android 5.0 Lollipop OS. During these operations your data might get corrupted, so the best will be to completely backup your Samsung Galaxy S5.
Well, that was all for now; root access is available for Korean models of Samsung Galaxy S5. If you need help on the actual process, don’t hesitate and contact us. You can download SuperSu from here, CWM recovery from here and SphinX-Root from here (first install CWM recovery via Odin and then through recovery mode install SphinX-Root and Super Su).