Fastboot on Xiaomi: what is this mode, why the phone does not turn on and how to remove it

You turned on the Xiaomi smartphone, and instead of the usual logo MIUI And there's a black background on the screen with a white Android robot and it says, "Fastboot Mode," and it's not responding to buttons, is it hung in this state or is it not turning on at all? "" Don't panic, it's not a breakdown, it's an engineering mode that's used for diagnostics and firmware. In 90% of cases, the problem is solved without contacting the service center.

Fastboot (or Bootloader Mode) is a low-level smartphone state that is activated before the operating system boots up, and is needed to install custom firmware, unlock the bootloader, recover from crashes, or test hardware. However, sometimes Xiaomi (especially the Redmi Note) 10/11/12, POCO X3/X4, Mi 11/12) It is spontaneously “stuck” in this mode because of:

• 🔋 Failed software update (interrupted firmware through the OTA Or Mi Flash Tool).
• 🔄 Failure after resetting (hard reset via Recovery).
• 🔌 Battery problems (deep discharge or battery bloating).
• 🛠️ Incorrect manipulation of unlocking the bootloader (via Mi Unlock Tool).
• 🤖 Custom Recovery Conflict (TWRP) firmware.

In this article, we will analyze all ways to exit from Fastboot - from elementary (reboot buttons) to complex (firmware through the Fastboot). EDL). You will also learn why your smartphone may not turn on after the Fastboot and how to restore it to work without losing data. If your Xiaomi is “bricked”, do not rush to carry it for repair – follow the instructions below.

What is Fastboot on Xiaomi and why is it needed?

Fastboot Mode (sometimes called Download Mode or Bootloader Mode) is a diagnostic tool built into Android devices at the bootloader level. Unlike Recovery Mode, where you can reset settings or install it. ZIP-Fastboot works at a lower level and allows you to:

• 📥 Install official / custom firmware via Mi Flash Tool or fastboot-commands.
• 🔓 Unlock the bootloader to install unofficial software.
• 🔧 Recover damaged partitions (boot, recovery, system).
• 📡 Test hardware components (display, camera, sensors).

On Xiaomi, the entrance to Fastboot is carried out by holding the power buttons + Volume down when the phone is turned off. However, sometimes the smartphone spontaneously loads into this mode after the phone is turned off:

• ⚡ Excessive power outage during upgrade.
• 🔄 Failed reset to factory settings.
• 🛠️ Installation of inappropriate firmware (for example, global on the Chinese model).

⚠️ Note: If your Xiaomi has been stuck in Fastboot after trying to unlock the bootloader through the Mi Unlock Tool, do not try to reconnect to the tool - this can lead to a full lock (hard brick.

Distinguishing Fastboot from other modes is simple:

Why Xiaomi doesn’t turn on and hangs in Fastboot: the main reasons

If Xiaomi’s smartphone doesn’t leave Fastboot and doesn’t load any further, the problem lies in one of the following factors:

1. Interrupted firmware update

The most common reason is the interruption of the updating process through OTA Or the Mi Flash Tool. This happens if you're a flash tool:

• 🔌 Power was turned off (the battery was removed or the cable was pulled).
• 📵 Interrupted connection to the PC during firmware.
• 🔄 Install firmware not for your model (for example, Redmi Note 10 Pro instead of Redmi Note 10).

As a result, the boot or system partition is damaged, and the phone cannot boot Android, "stuck" in Fastboot.

2. Failure after unlocking the bootloader

If you used the Mi Unlock Tool to unlock the bootloader, but:

• ❌ The timer is over (72-360 hours for new models).
• 🔌 Shut down. USB-cable.
• 📱 We've got custom recovery installed (TWRP) non-compatibility-check.

The smartphone can freeze in the Fastboot or go into a soft brick state (partial “brick”).

3. Battery problems

On Xiaomi Redmi models 9/10, POCO M3/M4 and other budget smartphones, deep battery discharge (below) 3%) may lead to:

• 🔋 Automatic boot in Fastboot when connected to charging.
• 🔄 Cyclical reboot (bootloop).
• ⚡ Refusal to turn on even after recharging.

This is because the power controller blocks normal loading until a minimum voltage threshold is reached.

4.Firmware and Recovery Conflict

Installation of informal recovery (e.g, TWRP) flat-top MIUI cause:

• 🔄 Logo obsession MI.
• ❌ Invalid image error when trying to download.

This is most often the case on models with a locked boot loader (Xiaomi Mi 11, Redmi). K40 newer).

How to remove Fastboot on Xiaomi: step-by-step instructions

If your Xiaomi is stuck in Fastboot mode and doesn’t turn on, try the following methods in order – from simple to complex.

Method 1: Forced button reboot

In 30 percent of cases, the problem is solved by a hardware reset.

1. Hold the Power button for 15-20 seconds until the screen is vibrating or turned off.
2. If it doesn't work, clamping down on the power. + Volume up for 10-15 seconds.
3. After vibration release the buttons – the phone should restart.

If the smartphone is switched on normally, check for updates in Settings → The phone. → Updating the system.

Method 2: Exit through Recovery Mode

If the forced reboot didn’t work, try going to Recovery and reset:

1. Turn off the phone (hold power until it is turned off).
2. Press Power + Volume up until the MI logo appears.
3. From the Recovery menu, select Reboot → Reboot to System.
4. If the system does not boot, run Wipe Data. → Wipe All Data (Erase all files!).

⚠️ Note: On new Xiaomi models (2022 and later), the Recovery menu may be in Chinese.Look for characters (reboot) or (data cleanup).

Method 3: Firmware via Mi Flash Tool (for PC)

If the phone doesn't leave the Fastboot and boot into the system, you'll need to reflash it through the Mi Flash Tool, POCO and Mi with unlocked bootloader.

What you need:

• 🖥️ Windows computer (7/10/11).
• 🔌 Cable USB Type-C (original).
• 📁 Official firmware for your model (download from Xiaomi website).
• 🛠️ The Mi Flash Tool (Download).

Instructions:

1. Unpack the firmware (.tgz) →.tar) and the Mi Flash Tool.
2. Install Xiaomi drivers (if the PC doesn’t recognize the phone).
3. Connect your smartphone in Fastboot mode to your PC.
4. In Mi Flash Tool, click Select, specify the folder with the firmware.
5. Select Clean All (total clean) or Save User Data (to save files).
6. Press Flash and wait until it is finished (5-10 minutes).

Once you have firmware, the phone should automatically reboot to the system. If you have an anti-rollback error, you are trying to install an older version. MIUI — download the new firmware.

1. Reinstall drivers manually through Device Manager.

2. Use another USB-port (preferably) USB 2.0).

3. Disable driver signatures in Windows (to do this, type in the command line on behalf of the administrator: bcdedit /set nointegritychecks on).-->

Method 4: Recovery through EDL (brick-to-brick")

If the smartphone does not turn on at all (black screen, no reaction to buttons), but is defined by the PC as Qualcomm HS-USB QDLoader 9008, I'll need a firmware through EDL-This method works for Qualcomm processors (Redmi Note) 9/10/11, POCO X3 etc.).

You'll need:

• 🖥️ Windows PC and Administrator Rights.
• 🔌 Cable USB (better-than-original).
• 📁 Firmware in.mbn or.elf format (see forums) 4PDA or XDA).
• 🛠️ QFil or Mi Flash Pro.

Instructions:

1. Install the QDLoader driver (download here).
2. Connect the phone to the PC by holding Volume up + Volume down (to log in to EDL).
3. In QFil, select firmware (prog_emmc_firehose.mbn) and press Download.
4. Wait until it's finished (10-15 minutes). The phone should reboot.

⚠️ Attention: Firmware through EDL drop off IMEI and SN - Check it out after you've recovered. IMEI *#06# and if necessary, re-establish SN Writer Tool.

💡

If the phone is not defined as QDLoader 9008, try the "testpoint method" - closing contacts on the board for forced entry into the system. EDL. This requires disassembling the device and soldering skills!

What to do if Xiaomi does not turn on after Fastboot

If you logged out of Fastboot but your phone doesn’t turn on (black screen, no vibration, no light), the reasons may be:

1.Discharged battery

On Xiaomi Redmi models 8/9, POCO M2 And other small batteries, deep discharge blocks the load:

• ⚡ Connect to charging for 30–60 minutes (even if there is no indication).
• 🔋 Use a charger with a current of 2A and above (do not use it) USB-port!).
• 🔄 Press Power. + Volume up after 10 minutes of charging.

2. Damaged loader

If you've manipulated the Fastboot, your phone doesn't show any signs of life, you may have damaged the bootloader.

• 🔌 PC does not recognize the device (no connection sound).
• 🔋 The charging indicator is not on.
• 🔊 No vibration when pressing the buttons.

In this case, only the firmware through EDL (see previous section) or replacement of the board (if the flash memory is damaged).

Hardware malfunctions

If the smartphone does not respond to any manipulations, the reasons may be hardware:

• 🔋 Bloating or detaching of the battery (blocks the contact board).
• 🔌 Damage. USB-port (no communication with PC).
• 🛠️ Flash memory failure (often on Xiaomi after falls).

In such cases, a diagnosis is required at a service center, the average cost of repair:

How to Avoid Getting into Fastboot in the Future

To prevent your Xiaomi from getting stuck in Fastboot mode, follow these guidelines:

1. Correct firmware update

• 📥 Download firmware only from the official website (miui.com).
• 🔋 Make sure the battery is charged 50% or higher.
• 🔌 Use the original cable when running through the Mi Flash Tool.
• 🛠️ Do not interrupt the process (even if it is “hang” on 99%).

2. Safe unlocking of the bootloader

• 🔓 Unlock bootloader only through the official Mi Unlock Tool.
• ⏳ Wait for the end of the waiting timer (from 72 to 360 hours).
• 📱 Don't install custom Recovery (TWRP) on a locked-loader model.

Battery operation

• 🔋 Avoid deep discharge (below 10%).
• ⚡ Use the original chargers.
• 🔄 Calibrate the battery once every 3 months (discharge to 0%, then charge to 100% without interruption).

💡

If you often experiment with firmware, buy an external battery (power bank with a function). PD (It will help to avoid sudden power outage during updates.

Frequent mistakes and their solutions

When working with Fastboot, users often encounter errors.

Error: "This device is locked" (bootloader locked)

If you see a message this device is locked when you try firmware, then:

• 🔓 The bootloader is not unlocked.
• 📱 You are trying to install an unofficial firmware on a locked device.

Decision:

1. Unlock the bootloader through the Mi Unlock Tool (requires an account binding Mi).
2. Use only official firmware for your model.

The error is: "Anti-rollback check fail"

This error appears if you are trying to install an older version. MIUI, It's not like the one before. MIUI 12 overhead MIUI 13.

Decision:

• 📥 Download a newer firmware (check the version in the file name).
• 🔄 If you need the old version, find a modified firmware without a rollback (on the 4PDA or XDA).

Error: "Invalid sparse file format at header"

This means that the firmware file is corrupted or not suitable for your model.

Decision:

• 📁 Download the firmware again (check the checksum) MD5).
• 🛠️ Use a different version of the Mi Flash Tool (e.g. 2018 instead of 2020).

Error: Phone is not detected in Fastboot

If the PC doesn’t see Xiaomi in Fastboot mode:

• 🖥️ Install Xiaomi drivers manually (download here).
• 🔌 Try another one. USB-port USB 2.0).
• 🔄 Restart your PC and phone.
• 🛠️ Disable driver signatures in Windows:

bcdedit /set nointegritychecks on


bcdedit /set testsigning on

FAQ: Answers to Frequent Questions