How to Update Xiaomi’s Firmware Through PC: Official and Hidden Methods

Why PC Updates Are Often More Reliable Than Over Air

Updating Xiaomi firmware via a computer is a method that many users find more stable than standard. OTA-The fact is that when you download files directly from the manufacturer's servers through the Mi Flash Tool or Xiaomi. PC Suite eliminates the risks of interruption of communication, which often occur when updating "over the air", especially for owners of devices with modified firmware or unlocked bootloader, where OTA-Updates may not be coming.

Another strong argument for PC firmware is that you can choose a specific version of MIUI (including older builds) if the new firmware is unstable, for example, after upgrading to MIUI 15, some Redmi Note 12 Pro+ users complain about the deterioration of autonomy, you can roll back through your PC without losing data, and this method is indispensable if the smartphone is stuck in fastboot or does not turn on at all.

But there are pitfalls: wrong actions can lead to a device being "bricked" (completely inoperable), so before starting the process, it is critical to:

• 🔋 Make sure the battery is over 50% (even if the firmware is running through the system) USB, battery is still used up).
• 🖥️ Use the original USB-cable (cheap analogues often cause data transmission errors).
• 🔒 Unlock the bootloader if you plan to install custom firmware (for official updates, this is not required).

Firmware Preparation: What to Do Before Connecting to a PC

The first step is to determine the current firmware and device model. This can be done in the Settings menu → About Phone → MIUI version. Write down or take a picture of this data: it will be necessary to choose the correct firmware file. Pay special attention to the model code (for example, 22101320C for Redmi Note 12 Pro 5G), since firmware for different regions (Global, China, EEA) are not interchangeable.

Then check the bootloader. For official firmware, it is not necessary to unlock it, but if you plan to install custom software (for example, LineageOS or Pixel Experience), you can do without it. ADB:

fastboot oem device-info

If the answer is Device unlocked: true, the bootloader is unlocked. Otherwise, the official procedure for unlocking through the Mi Unlock Tool will be required (it can take up to 720 hours of waiting for new Xiaomi accounts).

Download the correct version of MIUI for your model

Install Xiaomi drivers on PC (Mi PC Suite)

Connect the original USB-cable

Disable antivirus (can block firmware files)

Backup data (via Mi Cloud or locally)

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It is equally important to prepare the computer itself:

• 🖼️ Install the latest version of the Mi Flash Tool (for fastboot firmware) or Xiaomi PC Suite (for upgrade to recovery mode).
• 🔌 Turn off all unnecessary USB-Devices to avoid port conflicts.
• 🛡️ Temporarily deactivate Windows Firewall – it can block the transfer of firmware files.

⚠️ Attention: If you use a laptop, connect it to the network. A drop in battery power during firmware can cause the device to crash and "brick." Also avoid using it. USB-Hubs – connect your smartphone directly to the PC port.

Method 1: Update via Mi Flash Tool (Fastboot mode)

This method is suitable for complete flashing of the device, including cases when the smartphone does not turn on or stuck on the MI logo. Important: all data on the device will be deleted, so make a backup beforehand.

Algorithm of action:

1. Download the firmware in.tgz format for your model from the official Xiaomi website (choose the Fastboot version).
2. Unpack the archive in a folder without Cyrillic characters (for example, C:\MIUI\fastboot_rom).
3. Turn off your smartphone and press Volume Down + Power to enter fastboot mode (a hare in a hat-eared hat will appear on the screen).
4. Connect the device to your PC and run the Mi Flash Tool (administrator rights required).
5. In the Select field, specify the path to the unpacked firmware, select the firmware method: 🔄 Clean all – complete cleaning (recommended in case of failures). 📥 Clean all and lock - cleaning + locking the loader (to return to the stock firmware). 🔧 Save user data – data retention is not always stable).

Flash

⚠️ Note: If after firmware smartphone stuck on the logo MI longer than 15 minutes, don't panic. Try to pin the Loud up + 20 seconds power for forced reboot. If that doesn't work, repeat the firmware with the Clean all option option option.

💡

If the Mi Flash Tool doesn’t see the device, try running it in Windows 7 Compatibility Mode. Right-click on the executable file, select Properties → Compatibility, and tick next to the appropriate option.

Method 2: Update via Recovery (without loss of data)

This method is suitable for installing updates on top of an existing firmware without completely cleaning up the data.It is less risky than fastboot, but requires that the device be turned on and can enter recovery mode.

Instructions:

1. Download the firmware in.zip format (select the version of Recovery on the official website).
2. Rename the file to update.zip and place it in the root directory of the smartphone’s internal memory (not in folders!).
3. Turn off the device and press Volume up + Power to enter recovery.
4. In the recovery menu (manage by volume and power buttons) select: 🌐 English (if the menu is in Chinese). 📁 Install update.zip to System. ✅ Confirm installation.

Reboot to System

The advantage of this method is to save user data and settings, but it only works when updated within a single branch. MIUI (for example, MIUI 14.0.5 by 14.0.6. Attempt to install firmware of another version (e.g., with MIUI 13 on MIUI (15) may cause failures.

Method 3: Update via Xiaomi PC Suite (for beginners)

For users who do not want to understand fastboot and recovery, Xiaomi offers official software - Xiaomi PC Suite. This method is as simple as possible, but has limitations: it does not support all models and often offers not the latest version of firmware.

How to upgrade to PC Suite:

1. Download and install Xiaomi PC Suite from the official website.
2. Connect your smartphone to your PC via USB (enable USB debugging in the developer settings).
3. Run the program and wait until it identifies your device.
4. Go to Update and follow the instructions on the screen.

PC Suite will automatically check for updates and suggest installing them, taking about 10-20 minutes, depending on the size of the firmware, and the main advantage of this method is the minimum risk of errors, since the program itself downloads and installs the correct version of the software.

• ❌ There is no way to select a specific firmware version (only the latest stable version).
• ❌ Some models are not supported (e.g., devices for the Chinese market).
• ❌ Often offers updates with a delay in 1-2 weekly compared to OTA.

💡

Xiaomi PC Suite is the safest way to upgrade for beginners, but it is only suitable for devices with official firmware and does not allow you to roll back on previous versions.

Common mistakes and their solutions

Even with strict adherence to instructions, users often face problems, and let's look at the most common ones and how to fix them.

Error "This package is for 'xxx' devices; this is a 'yyy'"

This error occurs when you try to install firmware that does not match the model of the device, for example, trying to flash Redmi Note 11 Pro 5G (veux) firmware for Redmi Note 11 Pro + 5G (peux).

Solution: Download the firmware specifically for your model code (check it in Settings → About Phone → Model).

• 🌍 Global - for the international market.
• 🇨🇳 China – Chinese Devices Only (may not support Google Services).
• 🇪🇺 EEA — for Europe (with pre-established EU-applications).

2. Hanging in the "Flashing..." stage in the Mi Flash Tool

If the firmware process is stuck at 99% or another stage longer than 15 minutes, there is likely to be a data failure.

• 🔌 Unstable. USB-Connection (try another port or cable).
• 🖥️ Antivirus conflict (disable it before firmware).
• 📂 Damaged firmware file (pump the archive and unpack again).

Solution: Turn off your smartphone (press the power for 20 seconds), reconnect to your PC and run the firmware again. If the error repeats, try another computer.

3. Bootloop (Cyclical Reboot) after the update

If the smartphone is constantly restarted and does not boot into the system, the reason may be:

• 🔄 Conflict between old and new firmware (e.g., transition from MIUI 13 on MIUI 15 without data clearing).
• 🔐 Incompatibility with unlocked loader (less often).
• 📱 Damage to the system partition.

Solution: Run the full firmware through fastboot with the Clean all option option. If that doesn't work, try flashing an older version of MIUI and then updating gradually.

⚠️ Note: If after firmware smartphone requires a password from the previous account Mi Account, and you do not remember it, the only way out is to contact the service center Xiaomi with proof of purchase.

How to return the official firmware after custom

If you've experimented with custom firmware (like LineageOS or Pixel Experience) and want to go back to stock MIUI, the process will be a little more complicated. The main problem is that the bootloader is locked after you return to official software, so act carefully.

Step-by-step:

1. Download the official firmware in Fastboot format for your model from the Xiaomi website.
2. Unpack the archive and delete the file from the folder flash_all_lock.bat (If there is one, this will prevent the bootloader from automatically locking down.
3. Start the Mi Flash Tool, select the unpacked firmware and Clean all method.
4. After successful firmware, the smartphone will boot into stock MIUI, but the bootloader will remain unlocked.
5. If you want to block the bootloader, use the command: fastboot oem lock Attention: this will result in a reset of all data!

An important caveat: when you go back to the official firmware, Anti-Rollback protection may work, which means you can't roll back to the older version of MIUI, for example, if your Poco F4 came with MIUI 13 and you upgraded to MIUI 15, you can't go back without special tools.

FAQ: Answers to Frequent Questions