I have a question with my device LG G7Thinq

[loculo]

If I have a Korean lg g7 and I want to put a rom from my region, can I do it directly with the lg flash tool? and do I have to have the bootloader unlocked?

 

[lefttobleed]

If I have a Korean lg g7 and I want to put a rom from my region, can I do it directly with the lg flash tool? and do I have to have the bootloader unlocked?

Yes, use crossflash guide. And You dont need unlocked bootloader.