how to install android 12 on rog phone 3?

[iglesiasf70]

I have the official firmware downloaded from the Asus website, I would like to know how to update it, I have Android 11

[Mostwanted]

Sideload zip file with adb

[iglesiasf70]

I don't understand, what do you mean? rename the original firmware?

[Mostwanted]

Search on Google how to sideload zip file

[iglesiasf70]

I understand, is there no other way?