How to unburrow Xiaomi Mi A3: the complete guide

The Xiaomi Mi A3, which is part of the Android One program, is often experimented with by advanced users who want to root or install custom firmware. However, careless actions, interrupted firmware or use of incompatible software can lead to a condition that is popularly called a “brick.” The device stops responding to commands, the screen remains black and the system does not boot, at which point many users panic, believing that the gadget is finally out of order.

In fact, most smartphone hardware is still fully functional and software-based, and there are several levels of bricking, from soft when the Recovery menu is running to hard when only EDL (Emergency Download) mode is available. This article provides an expert guide to help you bring the Mi A3 back to life without having to go through complex service centers and expensive repairs.

Before you start taking action, you need to be clear about the risks. Any interference with system partitions of memory can lead to complete loss of data if they were not stored in advance. It is critical to understand the difference between an unlocked bootloader and a locked bootloader, because the recovery methods for them are radically different. We will consider all possible scenarios, from diagnosis to deep flashing through special utilities.

Diagnostics of the device state and determination of the type of "brick"

The first step in the recovery process is to accurately determine the current state of the Xiaomi Mi A3, which directly affects the choice of tool and method of "treatment". Don't blindly try to flash the device without understanding what mode it is in. Mistakes can aggravate the situation, for example, lock the bootloader permanently or damage the security partitions.

There are three main states in which a dead smartphone can be located: the first is the Fastboot mode, which is easy to follow the image of a hare repairing an android on a black background; the second state is Recovery Mode, which has a menu with a choice of language and reset options. The third and most difficult is the regime. EDL, When the screen is completely black, but the computer makes a connection sound USB-device.

For accurate diagnosis, connect your smartphone to your computer using a serviceable USB-Open Device Manager in Windows. Carefully review the list of connected hardware in Ports (COM and LPT)" or “Sound processing devices".

• 🔍 If you see Android Bootloader Interface, the device is in Fastboot mode, which is the most favorable scenario for recovery.
• ⚙️ If it's displayed QHSUSB_BULK qualcomm HS-USB QDLoader 9008 — smartphone is in emergency loading mode EDL, Which requires specific drivers.
• 📱 If the device is defined as Android or ADB Interface – you’re lucky, the system is partially working and you can try resetting through the system. ADB.

⚠️ Note: If the device manager displays an "Unknown Device" with an exclamation mark, this means that the necessary Qualcomm or Xiaomi drivers are not installed on the computer.

It's also important to check the response of the buttons. Press the power button and the volume button for 10-15 seconds at the same time. If the phone vibrates and goes to Fastboot, the problem is solved easily. If there is no reaction, but the phone is warming or consuming current (as seen from the connection to PowerBank), perhaps the problem is deeper.

Preparation of the workplace: drivers and software

The success of the Xiaomi Mi A3 recovery operation depends 90% on the correct preparation of the software environment. Chaotic downloading of utilities from questionable forums often leads to the process being interrupted halfway due to signature errors or compatibility.

First of all, you need to install universal Qualcomm drivers, since the Snapdragon 665 processor installed in the Mi A3, It's based on this architecture, and without it, the computer can't communicate properly with the phone in mode. EDL. Standard drivers will also be needed. ADB and Google's Fastboot.

The main tool for firmware will be the Mi Flash Tool. It is recommended to use the version no older than 2020, as newer versions may have problems identifying older models or require authorization through Mi Account, which in the case of a “brick” may not be available. Download the program only from official sources or verified mirrors XDA Developers.

To work with the command line and execute manual commands, you will need Platform Tools.This is a set from Google containing executables adb.exe and fastboot.exe. Unpack the archive to the root of the C drive for convenience so that the file path does not contain Cyrillic or spaces, which often causes script errors.

Special attention is paid to firmware selection. For the Mi A3, there are global (Global) and regional versions. When restoring the brick, the best option is to use the same regional version as the one you installed earlier, or the global version if you want to change region. Importantly, the firmware should be in.tgz (for Fastboot), not.zip (for Recovery).

Recovery via Fastboot and Mi Flash

If your Xiaomi Mi A3 is responsive to buttons and shows a screen with a rabbit, consider yourself lucky.This state allows you to overwrite system partitions, bootloader and recovery, ignoring damage to the main operating system.

First, connect your phone in Fastboot mode to your computer. Launch the Mi Flash Tool on behalf of the administrator. Press the Refresh button in the program interface. If the drivers are installed correctly, the device ID, such as 8256d456, should appear in the list.

Next, you need to select the path to the unpacked firmware. Press "Select" and specify the folder where the file is located. flash_all.bat or flash_all_except_storage.bat. Pay attention to the firmware mode switch in the lower right corner of the window.

The safest option to get out of the brick state is clean all. The option of saving user data may not work if the file system is damaged, and the option of clean all and lock is dangerous if you change the firmware region (for example, sewing China on Global), as this can lead to a real, non-recoverable brick.

Once you select the settings, press the Flash button. It takes 200 to 500 seconds. It's strictly forbidden to turn off the cable or interrupt the power of the computer. Any interference at this point is fatal.

⚠️ Note: If you are applying for Global ROM On a device with a Chinese bootloader, NEVER choose the option "clean all and lock." This will block the bootloader with incompatible firmware, and the phone will turn into a brick that can be unlocked only through paid services Xiaomi.

Deep Recovery Method through EDL Mode (9008)

When the Xiaomi Mi A3 screen is black, the phone doesn’t respond to buttons, but the Qualcomm HS-USB QDLoader 9008 port appears in the Device Manager, which means you’re in EDL mode. This is a low-level memory access mode that allows you to flash a device even with a completely damaged bootloader. However, in modern versions of MIUI and Android One, access to this mode is often limited by authorization.

There are two ways to log in to EDL. Software is through adb reboot edl if ADB is still working; hardware is by closing special contacts on the board. Mi A3 often requires disassembly of the case, as the button combination may not work on a completely switched-off device.

If you have a bootloader unlocked, you can use Qualcomm Sahara Firehose utility or specialized scripts to firmware the image. prog_firehose_ddr.elf. However, if the bootloader is blocked, the standard Mi Flash will require authorization through the Mi Account of the service center engineer.

fastboot oem edl

Or if Fastboot is available:



adb reboot edl

If you need a hardware input (Test Point), you need to carefully open the back cover (it is glued, you need a hair dryer or a suction cup). TP Or just placed next to the processor, lock them in tweezers and plug them in at the same time. USB-cable.

• 🔌 Prepare thin tweezers or wiring to close Test Point contacts.
• 🔋 Turn off the battery plume before handling the board to avoid short circuits.
• 🖥️ Make sure that Qualcomm drivers are installed in the system before closing contacts.

Once you successfully log in to EDL (computer will make sound, dispatcher will have port 9008), you can try flashing the device. If authorization is required, there are workarounds, such as patched versions of the bootloader (firehose loader), which allow you to bypass the checkout of the Xiaomi server. These files are often found in specialized forums in the topics dedicated to Mi A3.

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Use it. USB-hub without its own food or port USB 2.0 (black) instead USB 3.0 (blue). Ports 3.0 sometimes give an unstable connection in mode EDL, This leads to recording errors at high speeds.

Solving bootloader Problems and Anti-Rollback Errors

One of the most insidious problems in the restoration of Xiaomi Mi A3 The Anti-Rollback mechanism (ARB). This is a security that prevents you from installing an older version of the bootloader or system than the one you installed earlier. ARB-The phone may stop turning on forever.

You can check the current security status in Fastboot mode. Connect your phone, open the command line in the Platform Tools folder, and type in the check command. The log will have an anti: with a number. If you sew firmware, in the file. flash_all.bat index ARB If it's higher or equal to the current one, it'll be successful.

Also, you often have bootloader locks, and if you have restored the phone but the bootloader is locked and you have custom recovery or cores in the system, the phone will go into a reboot cycle, in which case you must explicitly execute a lock or unlock command depending on the purpose.

# Team to check the status of the loader


fastboot getvar all




Unlock command (requires prior permission in settings)



fastboot flashing unlock




Command to lock (only for stock firmware!)



fastboot flashing lock

This is especially true for the Mi A3, as standard recovery does not allow full backups, however, unlocking resets data and can degrade the quality of the photo (due to resetting the DRM keys), although in practice the difference is often subtle.

⚠️ Warning: Never try to block a fastboot flashing lock on custom firmware or with a modified bootloader. This is guaranteed to lead to a hard brick that cannot be restored without a programmer (soldier.

Install custom Recovery and finalize settings

After successful firmware recovery and system launch, it is recommended to install the TWRP customized Recovery immediately.This will create a "point of return" in case of future experiments. Standard Xiaomi/Android One recovery is too limited to fully service the device.

For installation TWRP on Mi A3 You need to unlock the bootloader again if it was blocked during the recovery process. twrp.img, model-compatible laurel_sprout (codename A3). Don't use images from Mi. A1 or A2 — they're incompatible.

The installation process is simple: place the image file in the folder with ADB, transfer the phone to Fastboot and execute the firmware command. After that, it is important to immediately reboot to Recovery mode so that the system does not overwrite the changed partition on the first start.

fastboot flash recovery twrp-laurel_sprout.img


fastboot reboot recovery

In the TWRP menu, you can make a full backup of all partitions, save that backup to your computer or the cloud, and that's your insurance, and if the phone gets back up again in the future, you can recover an exact copy of it in a couple of minutes just by rolling back that backup.

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Installing TWRP immediately after a successful recovery is the best way to protect yourself from future problems, and it allows you to make full backups of the system that recover faster and more reliable than flashing through Fastboot.

Frequently Asked Questions (FAQ)