Since Xiaomi made the official unlocking much harder, it has been nearly impossible for users to unlock bootloader by official method. So I searched the internet and found some methods on Kuan which is the Chinese equivalent of XDA forum.Here are my answers:For Xiaomi products that are not sold with hyperOS originally, you can use method on github to unlock the bootloader.For products that have inbuilt hyperOS, as far as I know, there are three paid tools that can be used to unlock...Read more