Starting from MIUI7, all Xiaomi mobile phone products have started to lock the BootLoader. Bootloader literally means startup loading, so the bootloader is equivalent to the bios of the mobile phone. Locking the Bootloader means that it can only be used within the scope allowed by the official Internal flashing means that you can only flash the official system ROM. You cannot flash third-party ROMs without unlocking the bootloader. Now I will teach you how to unlock the BootLoader of Xiaomi phones.
Preparations before unlocking:
1. Before unlocking, confirm that your Xiaomi mobile phone system is the MIUI development version. The stable version system cannot be unlocked;
2. If it is not a development version system, please flash into the development version first. Make sure to back up the data before flashing. After successfully flashing into the development version system, log in to your Xiaomi account on the phone, otherwise the unlocking will fail.
Start unlocking BootLoader:
1. Go to http://www.miui.com/unlock/ to apply for unlocking;
2. Fill in your name and mobile phone number as required. You can fill in the reason for application casually. Generally, you need to fill in the third-party system and check "Xiaomi Mobile Phone" Unlocking Agreement";
3. At this time, the system will send a verification text message, and fill in the received verification code on the application unlocking interface;
4. The application is submitted successfully and is waiting for review. It usually takes about 7-10 days.
5. After waiting 7-10 days, you will receive a text message indicating that the unlock is successful. At this time, enter http://www.miui.com/unlock/ again and the following web page will appear;
6. Click the unlock tool download to get the unlock tool compression Package;
7. Unzip and run MiFlashUnlock.exe;
8. After agreeing to the disclaimer, log in to the account that has been approved and unlocked;
9. Turn off the phone, press and hold the volume down button + power button to enter Fastbooot mode;
10. After connecting the phone to the computer with a data cable, click the unlock button. Note that you must log in to the Xiaomi account you applied to unlock before using the phone, otherwise The next step will fail;
< /p>
11. It will take about ten seconds for the progress bar to complete.
