The solution for unlocking the bootloader and resolving error code 20091 during the decision-making process is to ensure that the device is not locked by the factory, use EDL mode, or send the device to Xiaomi customer service for assistance. Additionally, following specific steps such as logging out the MID, enabling OEM unlock before flashing, and editing the rawprogram.xml file with the necessary changes may help resolve the issue.
hello if you encounter a problem with adding the account to the device to unlock the bootlader on Xiaomi well I have the solution after several weeks spent on forums and RU-vid here is how to do it: go to developer options then click on mi unlock status (a sim card and wifi network are required) then turn off wifi and turn on mobile data then click on add an account to the device after clicking turn off mobile data and activate your wifi make sure it is connected then wait patiently it should be fine normally thank you and good luck.