MI band 9 how convert from Chinese version to Global version

[mmhtaseb]

Hello

I bought Band 9 by mistake and it was the Chinese version and I want to convert the system to the global version
Can you help me with the ROM for the global version and how to replace it

Thank you

 

[Dociu]

There is a way with sending mac number to some guys, but I don't think it's safe

 

[mmhtaseb]

any update??