I'm not able to connect to JIO 5G nor Airtel 5G from the phone S21 Ultra which I brought abroad. I understand it may be because of the difference in SA update. Is there a way to manually fix it?
https://www.sammobile.com/samsung/galaxy-s21-ultra/firmware/SM-G998B/INU/ I downloaded Indian firmwarw and patched the phone. After that both Jio and Airtel started working
