Xiaomi Mi Unlock Bootloader and Flash Official Fastboot ROM Tutorial375

In this guide, I will show you how to unlock the bootloader on your Xiaomi device and flash the official fastboot ROM. This will allow you to install custom ROMs and kernels, and gain root access to your device.Prerequisites:
* A Xiaomi device with an unlocked bootloader.
* A computer with ADB and Fastboot installed.
* The official fastboot ROM for your device.
Step 1: Unlock the Bootloader
1. First, you need to enable USB debugging on your device. To do this, go to Settings > About phone > MIUI version and tap on the MIUI version 7 times. This will enable Developer options.
2. Now go to Settings > Developer options and enable USB debugging.
3. Connect your device to your computer with a USB cable.
4. Open a command prompt or terminal window on your computer.
5. Type the following command to unlock the bootloader:
```
fastboot oem unlock
```
6. Your device will reboot and you will be prompted to confirm the bootloader unlock. Press the Volume Up button to confirm.
Step 2: Flash the Fastboot ROM
1. Once the bootloader is unlocked, you can now flash the fastboot ROM.
2. Place the fastboot ROM file in the same directory as your ADB and Fastboot binaries.
3. Rename the fastboot ROM file to "".
4. Open a command prompt or terminal window on your computer.
5. Type the following command to flash the fastboot ROM:
```
fastboot flash update
```
6. The fastboot ROM will now be flashed to your device.
Step 3: Reboot Your Device
1. Once the fastboot ROM has been flashed, you can now reboot your device.
2. To do this, type the following command:
```
fastboot reboot
```
Your device will now reboot into the new fastboot ROM.
Congratulations! You have now unlocked the bootloader on your Xiaomi device and flashed the official fastboot ROM.