Some features which require high security level (e.g., Find device, added-value services, etc.) will no longer be available.
Download miflash_unlock-en-2.2.406.5.zip 23 MB
How to Unlock Bootloader please follow the steps below:
Step 1. Download the Mi Unlock app to PC, and sign in with your Mi Account;
Step 2. Shut down your phone manually, and hold Volume down key and Power button to enter Fastboot mode;
Step 3. Connect your phone to PC using USB cable and click "Unlock".