Can I flash Indian firmware(SM-G996B) in S21 plus Korean model(SM-G996N) both model has exynos 2100 processor.Please guide me if possible or already done. 

Dear Samsung team,This s for Galaxy F62... 1. Must provide Carrier Aggregation support.2. Improvements in network reception. Call drop is happening frequently.3. Heating issue, fast battery drain issue.4. Improvements in the gaming section.