How to flash Xiaomi smartphone through Mi Tool: a complete guide with nuances

Firmware Xiaomi smartphone through the official tool Mi Flash Tool (or Mi Tool) is one of the most reliable ways to bring the device back to life after crashes, update the software to the current version or even unlock additional features. Incorrect actions can turn the phone into a brick, and the lack of the right drivers can permanently stall work. EDL-mode that works even on blocked downloaders (if you have an authorized account).

It is important to understand that firmware via Mi Tool is different from the standard Air Update (OTA) or Fastboot. It uses the low-level Emergency Download Mode (EDL) protocol, which allows you to “fill” the firmware directly into the device memory, bypassing system locks. This method is relevant for devices on Qualcomm Snapdragon (most Redmi, POCO, Mi models until 2023), but is not suitable for smartphones on MediaTek or new Snapdragon 8 Gen 2/3 chips with anti-Rollback protection.

Before you start, answer three key questions:

• 🔹 Why do you need firmware? Recovery after a crash, upgrade to a new version MIUI or-removal?
• 🔹 What is your device? firmware for Redmi Note 10 Pro and Xiaomi 12T Not interchangeable – an error will lead to bricks.
• 🔹 Do you have an authorized Mi Account? Without it, you have a firmware through EDL Impossible on devices with a locked bootloader (released after 2019).

1. Firmware Preparation: What to Do Before Starting

The first step is to collect all the necessary tools and data, and without this step, you run the risk of running into errors like Critical Partition Flashing Is Forbidden or Device Not Found.

• 📱 Xiaomi smartphone with a battery level of at least 50% (ideally 80%). EDL discharges the device faster than usual.
• 💻 Computer on Windows 7/10/11 (64-bit). MacOS or Linux Mi Tool does not work officially.
• 🔌 Original. USB-cable (preferably from the kit) cheap cables may not transmit data to the EDL-mode.
• 🔐 Authorized Mi Account (if bootloader is blocked) can be obtained on the official Xiaomi website (requires a link to the phone number).

Now, the software. You're going to need:

1. Mi Flash Tool (last version is downloaded here) Older versions may not support newer models.
2. Qualcomm drivers HS-USB QDLoader 9008 Without them, the computer will not see the phone in the air. EDL-mode.
3. Firmware in.tgz or.zip format for your model: 🌍 Official website MIUI (Choose the version of Fastboot) 🔗 Xiaomi Firmware Updater (alternative archive)

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If your device is not identified in EDL-Try to connect it to the back. USB-The front ports often do not provide stable power supply.

Compatibility Warning: Global, China and EEA MIUI firmware are not interchangeable! Installing China ROM on a Global device will cause problems with Google Services and regional settings. Check the current version in phone settings: Settings → About Phone → MIUI version.

2. Installation of Qualcomm drivers for EDL-regime

Without the right drivers, the Mi Tool won't see your smartphone. The installation process depends on the Windows version and current security settings.

1. Download the drivers: 📥 Official drivers from Xiaomi: link 🔧 Alternative Pack (if official ones do not work): XDA Developers

Turn off driver signature verification

Windows 10/11

1. Press Win + X → Select "Command Line (Administrator)"


2 Enter bcdedit /set testsigning on




3.Reboot the PC

Install the driver manually

1. Connect the phone to the PC by holding Volume up + Volume down (to log in to EDL).
2. In Device Manager, find QHUSB_BULK qualcomm HS-USB QDLoader 9008.
3. Right-click → Update the driver → Select the driver from this computer → Specify the path to the downloaded drivers.

After successful installation in Device Manager should display the Qualcomm device HS-USB QDLoader 9008 (COMX), where X is the port number. If you see a Unknown Device or exclamation point instead, repeat the steps or try another one. USB-port.

⚠️ Warning: Do not use third-party drivers without checking. In 2023, there were cases when malware was distributed under the guise of Qualcomm drivers that encrypted data on a computer.

3. Selection of firmware: which version of MIUI to download

Firmware error is the most common reason for brick. Xiaomi produces several types of firmware, and not all of them are suitable for Mi Tool:

How to find the right firmware for your model:

1. Go to the MIUI download page.
2. Select your model (e.g. Redmi Note 11 Pro+ 5G → veux).
3. Download Fastboot ROM for your region (Global, China, EEA, India).
4. Unpack the archive in a folder without Cyrillic characters (for example, C:\MIUI\veux_global).
5. Start the firmware: ⚡ Press Flash and wait until it is completed (usually 5-15 minutes). ✅ The appearance of a green tick and the inscription Success means success.

If the process is suspended in the Waiting for device stage:

• 🔌 Check the cable connection (try another port).
• 🔄 Reinstall Qualcomm drivers.
• 🖥️ Run Mi Tool in Windows 7 Compatibility Mode.

⚠️ Warning: If Flash is not done or Invalid image format is not done during the firmware process, it means that the firmware is not suitable for your model!

5. Common mistakes and their solution

Even with the correct following of the instructions, errors can occur, and here are the most common ones and ways to fix them:

If the phone does not turn on or hangs on the MI logo after firmware:

• 🔄 Try re-swipe the device with a choice of Clean All mode.
• 🔧 If the error persists, memory may be damaged (EMMC). In this case, only the service center will help.

A special case is the SLA Auth Fail error, which means that your Mi Account does not have the right to firmware this device through EDL.

• 🔑 Use an authorized account (see Section 1).
• 📧 Contact Xiaomi Support via the official website.
• 🔧 If the phone is not warranty, you can try flashing through Fastboot (but this will not solve the problem with the phone). EDL).

6.What to do after a successful firmware

If the process is successful and the phone is on, congratulations, but the work is not done.

1. First setup: 🌍 Select the language and region (important for Google Services to work properly). 🔑 Connect to Wi-Fi and sign in to your Mi Account (if required).
2. System verification: 📱 Go to Settings. → About the phone and make sure the version MIUI matched. 🔋 Check the battery, camera, sensors (gyroscope, proximity sensor).
3. Data recovery: ☁️ If Mi Cloud Backup was enabled before the firmware, restore data from the cloud. 📁 Transfer files from your computer or old phone via Mi Mover.

Security update

• 🔄 Check for updates in Settings → Updating the system.
• 🛡️ Install the latest version of Google Play Services and MIUI Security.

If there are problems after the firmware:

• 📵 Network not working: Check settings APN (Usually recover automatically or restart your phone.
• 🔊 No sound: Maybe no audio drivers installed. Try updating the firmware through OTA.
• 🔋 Fast battery discharge: Reset to factory settings (Settings) → Additionally. → Recovery and discharge).

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If after firmware the phone has become slower to work, turn on the developer mode (Settings → About Phone → MIUI version → 7 times press) and turn off animation in the developer settings → Animation Scale (off).

7.Alternative firmware methods if Mi Tool does not work

If the firmware through the Mi Tool fails, there are alternatives, but they require more preparation and are not always safe.

• 🔧 Fastboot firmware: Suitable for devices with unlocked bootloader. Uses command: fastboot flash all firmware.zip Minus: does not work on locked bootloaders.
• 📁 Installation through Recovery (TWRP): Requires custom Recovery installation (e.g, TWRP). Suitable for experienced users.
• ☁️ Update through OTA: If the phone is turned on but is unstable, try updating through Settings. → Updating the system.
• 🔄 Firmware via QFil (Qualcomm Flash Image Loader): Similar to the Mi Tool, but with support for unofficial firmware!

Warning: Using informal tools like QFil or SP Flash Tool can cause loss of IMEI or damage to the modem partition. If you are not sure about your actions, you should contact the service center.

FAQ: Answers to Frequent Questions