Fastboot Mode on Xiaomi: A Complete User Guide

Have you turned on a Xiaomi smartphone, but instead of your desktop, you saw a black screen with a green Android robot and the words Fastboot? Or tried to flash the device, but it was stuck in this mode? Don't panic - this is a regular tool for working with firmware, not a breakdown. In this article, we will discuss what a Fastboot on Xiaomi is, why you need it, how to get out of it and what to do if the phone does not respond to standard commands.

Fastboot (or bootloader mode) is a low-level tool that allows you to interact with the hardware of a smartphone via a computer.It is used to firmware, unlock the bootloader, restore the system after crashes or even β€œreanimate” devices that do not turn on in the usual way. However, for beginners, getting into Fastboot often comes as a surprise, especially if the phone is getting stuck in this mode after a failed update or reset.

What is Fastboot and Why You Need It on Xiaomi

Fastboot mode is an intermediate state between completely turning off the smartphone and loading the operating system. In this mode, the device's processor is active, but Android does not start, which allows:

  • πŸ”§ Install custom firmware (custom) ROM) via fastboot flash.
  • πŸ”“ Unlock the bootloader to deeply configure the system.
  • πŸ› οΈ Restore stock firmware if the phone is β€œbricked” after a failed update.
  • πŸ“± Test hardware (for example, check the display or camera without loading the OS).

On Xiaomi smartphones (including Redmi, POCO, and Black Shark), the Fastboot is activated either manually (via a button combination) or automatically if the system cannot boot, such as after an interrupted MIUI update or an incorrect factory reset.

Important: Unlike Recovery mode, where control is via touch screen, Fastboot is fed from a computer via an ADB console or special utilities (such as the Mi Flash Tool), which makes it less friendly for beginners, but more powerful for advanced users.

πŸ“Š Have you ever used the Fastboot mode on Xiaomi?
Yeah, for firmware.
Yeah, to unlock the bootloader.
No, but I heard about him.
What is it?

What Fastboot looks like on Xiaomi: signs and differences from other modes

To avoid confusing Fastboot with other service modes (e.g. Recovery or EDL), pay attention to the external features:

Regime.How does the screen look?How to manage.What is used for
FastbootA black screen with a green Android robot and the words FASTBOOT at the bottom, sometimes showing the status of locked/unlocked.Only through a computer (fastboot or Mi Flash Tool commands).Firmware, unlock, restore.
RecoveryBlue or orange screen with menus in English/Chinese (e.g. Reboot, Wipe Data).Volume and power buttons.Reset settings, install updates via ZIP.
EDL (9008)Black screen with no images (sometimes backlit) is defined as a Qualcomm HS-USB QDLoader 9008 on a PC.Only through special utilities (QFil, Mi Flash).Recovery after the β€œbrick”, flashing at a low level.

The critical difference is that if you can select menu items with your phone buttons in Recovery, then in Fastboot, any action requires you to connect to a PC, which means that it will be difficult to exit the mode without a computer (but it is possible - more about this below).

Some Xiaomi models (such as the Redmi Note 10 Pro or POCO F3) also display information about the bootloader’s unlock status:

  • πŸ”’ Device is LOCKED β€” boot loader locked (standard state for new devices).
  • πŸ”“ Device is UNLOCKED β€” The loader is unlocked (allows you to install custom firmware).

How to go Fastboot on Xiaomi: all the ways

Fastboot mode can be accessed in a number of ways, both software and hardware, and the choice of method depends on the state of your smartphone.

1. via button combination (if the phone is switched off)

The most versatile method, works on all Xiaomi models:

  1. Turn off your smartphone (press the power button and select Turn off).
  2. Press and hold the power + volume button at the same time.
  3. Hold on for 5-10 seconds until the Android robot screen with the word FASTBOOT appears.

Note: Some models (such as the Xiaomi 12T or Redmi K50) may need to first clamp the volume increase and then add a power button.

2. via ADB command (if phone is on)

If the smartphone is working, but you need to go to Fastboot for firmware or unlock, use the command:

adb reboot bootloader

For this:

  1. Enable USB debugging in settings (Settings β†’ About Phone β†’ MIUI version – press 7 times, then go back to Additional Settings β†’ For Developers).
  2. Connect the phone to the PC and confirm the debugging permission.
  3. Enter the command above in the terminal (or Command Prompt on Windows).

3. Automatic entry after failure

If the phone can’t boot Android (for example, after a failed update or deletion of system files), it can automatically go to Fastboot. in this case, the screen will also be labeled FASTBOOT MODE or No bootable image.

Install Xiaomi drivers on PC|Download the Mi Flash Tool or ADB|Check the battery charge (minimum 50%)|Prepare. USB-cable (original)-->

How to get out of Fastboot on Xiaomi: step-by-step instructions

If the phone is frozen in Fastboot mode, don't panic -- in most cases, it's fixable. The way out depends on the reason it gets into that mode.

1. Standard exit (if the phone is in good working order)

Try simply restarting the device:

  • πŸ”„ Press the power button for 10-15 seconds until the screen goes out.
  • πŸ“± Wait 30 seconds and turn on the phone with the power button.

If this method does not work, move on to the next one.

2.Exit through Recovery

Sometimes, Fastboot blocks the system’s direct boot, but allows you to upgrade to Recovery:

  1. On the Fastboot screen, press the power button + increase the volume for 5-7 seconds.
  2. If you see a Recovery menu, select Reboot β†’ Reboot to System (manage volume buttons, confirm – power button).

3.Exit via Fastboot commands (PC required)

If the phone doesn’t respond to buttons, connect it to your computer and use the command:

fastboot reboot

If that doesn't help, try:

fastboot continue

Important: These commands only work with Xiaomi drivers installed and the ADB/Fastboot tool.

What if the fastboot reboot command doesn’t work?
If you input fastboot reboot, the phone comes back to Fastboot again, it means that the system is damaged, in which case you will need to reflash the device through the Mi Flash Tool or restore the stock firmware manually.

Phone stuck in Fastboot: causes and solutions

If Xiaomi’s smartphone is constantly returning to Fastboot after the reboot, it signals a serious problem.

1. Damaged firmware

The most common cause is a failure when updating MIUI or deleting system files.

  • πŸ”§ Fly your phone through the Mi Flash Tool (instruction below).
  • πŸ“₯ Download stock firmware for your model from the official Xiaomi website (link).

Locked loader

If you tried to install custom firmware on a device with a locked bootloader (Device is LOCKED), the phone may hang in the Fastboot.

  • πŸ”“ Unlock the bootloader through the official Mi Unlock Tool (requires a Mi Account and device binding).
  • ⏳ Wait 7-14 days (if the account is new, Xiaomi imposes a temporary lock).

Hardware problems

Less commonly, memory failures (eMMCs) or motherboard malfunctions.

  • 🚨 Phone is not defined by computer in Fastboot.
  • πŸ”₯ The screen flashes or displays artifacts.
  • πŸ”‹ The battery is discharged too quickly (even when it is off).

In this case, a diagnosis will be required at the service center.

πŸ’‘

If your phone doesn't respond to fastboot commands, try EDL (9008) mode. To do this, press the power button + increase volume + decrease volume simultaneously for 10-15 seconds, in which you can restore firmware even on bricks.

How to flash Xiaomi through Fastboot: step-by-step instructions

If the standard exit methods don't work, you just have to reflash the device.

  • πŸ’» Windows computer (recommended) 7/10/11).
  • πŸ”Œ Original. USB-cable (better from the set).
  • πŸ“ Firmware for your model (for example, tucana_global_images_V12.5.3.0.RFDMIXM_20211015.0000.00_11.0_global For the Redmi Note 8 Pro).
  • πŸ› οΈ Mi Flash Tool (download from the official website).

Step 1: Installation of drivers

Download and install drivers for Xiaomi:

  1. Download Mi Phone Manager from the official website or drivers manually (link).
  2. Connect your phone in Fastboot mode to your PC.
  3. In Device Manager, check that the device is defined as Android Bootloader Interface.

Step 2: Preparation of firmware

Unpack the downloaded firmware archive into a folder without Cyrillic characters (e.g., C:\MIUI\proshivka). Inside, there should be an image folder with.img files.

Step 3: Firmware via Mi Flash Tool

  1. Run the Mi Flash Tool on behalf of the administrator.
  2. Click Select and point the way to the firmware folder.
  3. Connect your phone in Fastboot mode (should be determined as to how to use it) COM-port).
  4. Choose the firmware method: πŸ”„ Clean all – cleansing (deleting all data). πŸ”„ Clean all and lock - cleaning + Loader lock (recommended for recovery after failures). πŸ”„ Save user data – saving user data (not always stable).

Flash

Step 4: First download

Once the firmware is in place, the phone will automatically restart. The first turn on can take up to 15 minutes - don't interrupt the process!

πŸ’‘

If the phone is loaded back into Fastboot after firmware, repeat the process with the Clean all and lock option, which is guaranteed to delete all data, but return the system to work.

Frequent mistakes when working with Fastboot and how to avoid them

Even experienced users sometimes have problems with Fastboot. Consider typical errors and their solutions.

1. "Waiting for device" error

If you enter the command fastboot devices phone is not displayed in the list, check:

  • πŸ”Œ Cable and port USB (Try another cable or port on your PC).
  • πŸ–₯️ Are drivers installed (there should be no exclamation points in Device Manager).
  • πŸ”„ Restart your phone to Fastboot again (sometimes it helps to log in again).

2. Mistake "FAILED (remote: 'Flashing is not allowed in Lock State')"

This error means you're trying to flash a device with a locked bootloader.

  • πŸ”“ Unlock the bootloader through the Mi Unlock Tool.
  • πŸ“… Wait 7-14 days if your account is new.
  • πŸ”„ Use the official firmware (castom) ROM Not installed on locked devices).

3.The phone does not turn on after firmware

If the screen is black after the firmware:

  • πŸ”‹ Check the battery charge (plug in to charge for 30 minutes).
  • πŸ”„ Try to re-sweeten with the choice of Clean All option.
  • πŸ› οΈ If it doesn’t help, put your phone in mode. EDL and run through the Mi Flash Tool with a tick flash_all_lock.bat.

πŸ’‘

If the Mi Flash Tool gives an error of 0x80070002, try running the program in Windows 7 compatibility mode or disable the antivirus (it can block access to firmware files).

FAQ: Answers to Frequent Questions about Fastboot on Xiaomi

❓ Can I get out of Fastboot without a computer?
Yeah, but not always. Try: Hold the power button for 15 to 20 seconds (forced reboot). If it doesn't work, press the power + volume up to go to Recovery, and then select Reboot to System. If the phone comes back to Fastboot, you need firmware.
❓ Why does the phone go into Fastboot?
This happens if: πŸ”„ Update interrupted MIUI (For example, the battery has gone down). πŸ—‘οΈ System files are damaged (for example, after manual removal of applications). πŸ”§ the incorrectly installed castom core or TWRP. πŸ› οΈ Hardware failure (less commonly but possible) is most often helped by flashing through the Mi Flash Tool.
❓ How to know if the loader is blocked?
Connect your phone in Fastboot mode to your PC and type in the command: fastboot oem device-info Look for the lines: Device unlocked: false - bootloader is locked. Device unlocked: true - bootloader unlocked.
❓ Can I flash Xiaomi through Fastboot without unlocking the bootloader?
No. Installation of any firmware (even official) via Fastboot on new Xiaomi models requires an unlocked bootloader. Except for firmware via Recovery (for example, updates). MIUI through ZIP-To unlock, use the official Mi Unlock Tool and follow the instructions on the Xiaomi website.
❓ What to do if the Mi Flash Tool can't see your phone?
Check: Are drivers installed (Device Manager should display Android Bootloader Interface); Are you using the original cable (not all cables support data transfer); Is the Mi Flash Tool running on behalf of the administrator; Is the antivirus disabled (it can block access to ports); If nothing helps, try another PC or reinstall the drivers manually.

Now you know what Fastboot is on Xiaomi, how to use it and what to do if the phone is stuck in this mode. Remember: 90% of the time the problem is solved by firmware through the Mi Flash Tool or unlocking the bootloader. If you have any questions, please write in the comments, but first check the FAQ above!