Can I install Global ROM on my Samsung A90 (5G), which has model number SM-A908N (KOREAN)?I am from India and I'm facing some trouble using Korean rom in India. Please let me know if I could flash with the global ROM.

Can I install Global ROM on my Samsung A90 (5G), which has model number SM-A908N (KOREAN).I am from India and I'm facing some trouble using Korean rom in India. Please let me know if I could flash with the global ROM. 

I've bought a korean version Samsung Galaxy A90 5G and I live in India, there are some issues that are occurring like -1. I cannot merge/add calls within calls2. There is no option of Sim Card Management3. Cannot conference call.Can I flash it with I...