Hey @istekhar, ROMing is sadly not officially supported. If you want to do it regardless and know what you're doing you can find relevant information on the XDA-developers forum. But be warned that it's maybe not a trivial task and you could end up bricking your device.
Answers
The Black Shark Helo only got released on/for the Chinese market -> there is no global version for that phone.
I was also looking for information to change the International ROM to Global ROM.
I would love for Xiaomi to make the Global ROM available for upgrade.
How can i change my chinese rom to global rom
My device is is black shark 2
Hey @istekhar, ROMing is sadly not officially supported. If you want to do it regardless and know what you're doing you can find relevant information on the XDA-developers forum. But be warned that it's maybe not a trivial task and you could end up bricking your device.
Could someone please assist with a full guide how to install a global ROM