Default [Q] fix call korea or other countries on S4 E330K

hello sir
i am using indian sim card on korean S4 E330k.
1. when i call someone its gives me a popup message with two lines call korea and call other countries respectively. please tell me how to get rid from this pop-up.
2. when i try to run USSD code like *123# (check balance of airtel sim card) its not running and gives me the same pop-up. please tell me how to solve this problem.
i went korean samsung service center for firmware update. but the problem is same.
i root my device using towel root and installed supersu pro & busybox pro. still same problem.
what to do.
tell me which country free firmware i can flash with odin that solve this problem
help please
i know you guys are genius