The process of flashing Xiaomi smartphone often scares beginners, although in fact it is a standard procedure for maintaining the device. Many gadget owners face situations when the official update by air does not come, or you need to change the regional version of the software to the global version for the correct operation of services. Understanding the basic principles of the bootloader and the Android file system will allow you to solve software problems yourself.
There are two main ways to install the operating system: through the Recovery Recovery menu and using a computer in Fastboot mode. The first option is suitable for simple updates within one region, while the second one gives full control of the device and allows you to change the region, restore bricks and roll back to older versions of Android.
Before you take action, you need to understand the responsibility. Any interference in the system partition carries potential risks. Data backup is not just a recommendation, but a mandatory step, the disregard of which can lead to the irretrievable loss of photos, contacts and correspondence. Even if the process is successful, reinsurance will never be superfluous.
Preparation of the device and choice of firmware method
The first step is to determine the type of firmware your device needs. MIUI's official website offers versions for different regions: Global (Global), China (Chinese), EEA (European), and others. Installing Chinese firmware on a global device or vice versa without first unlocking the bootloader is impossible and can lead to a cyclical reboot.
The most important condition for cross-regional firmware is bootloader status. If you plan to switch from CN to Global or install custom recavators, you will need to unlock Bootloader. This is an official procedure from Xiaomi, requiring a wait of 7 to 168 hours after submitting an application through your Mi Account. Without an unlocked bootloader, many advanced methods will not be available.
It's also worth checking the device model and its code name. The firmware is designed to be strictly hardware-specific, and trying to install software from the Redmi Note 10 on the Redmi Note 10 Pro is guaranteed to bring the phone down. You can find the exact name in the phone settings or on the box, it usually consists of a single word, for example, mojito or alioth.
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Always check the code name of the device before downloading the firmware file. Version incompatibility is the main reason why a smartphone becomes a brick.
Necessary tools and software
For high-quality firmware through the computer, you will need specialized software. The main tool for devices based on Qualcomm and MediaTek processors is the Mi Flash Tool utility. It allows you to interact with the phone in low-level mode, downloading system images directly to memory.
Besides the utility itself, the device drivers are critical. The computer must correctly recognize the phone in ADB and Fastboot modes. Often connection problems arise precisely from the absence of Qualcomm HS-USB QDLoader 9004 drivers or standard Android drivers.
Equally important is the quality USB-Cheap charging-only cables do not provide a stable data channel, which can cause a mid-course interruption. Use the original cable or certified high-speed analogue.
☑️ Firmware readiness check
Method 1: Update via Recovery (local)
This method is the most secure and suitable for those who want to upgrade to a newer version of MIUI within their region or recover damaged system files. You will need to download the firmware file in.zip (Recovery ROM) format and place it in the root of the phone's internal memory.
Once you download the file, you need to go to the firmware version selection menu. To do this, click several times on the current version of MIUI in the settings for an additional menu. Select "Select firmware file" and specify the downloaded archive. The system will check the integrity of the data and suggest a reboot.
If you can't install automatically, you can use Recovery mode manually. Turn off your phone and press the Up Volume + Power button combination. In the menu that appears, select a language and press Install MIUI (or "Wipe Data" if you want a full cleanup), which doesn't require an unlocked bootloader, but it doesn't allow you to change the region.
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Recovery is ideal for scheduled updates, but is powerless when changing regions or causing deep system errors.
Method 2: Fastboot and Mi Flash Firmware
The Fastboot method gives you complete control of the device. First, you need to turn the phone off and press Volume Down + Power before the Fastboot logo with the android hare appears. Connect the device to the PC.
Launch the Mi Flash Tool and press the "Refresh" button. If the drivers are installed correctly, your device's serial number will appear in the list. Press "Select" and specify the folder with the unpacked firmware (Fastboot ROM has the.tgz extension and must be pre-unpacked).
At the bottom of the utility window, select firmware mode. Clean all will clean the data completely, save user data will try to save it (not recommended when changing regions), and clean all and lock will block the bootloader back. For global changes, choose clean all and click Flash.
| Parameter | Recovery ROM | Fastboot ROM |
| :--- | :--- | :--- |
| File format |.zip |.tgz (tar.gz) |
| File size | 3-5 GB | 4-6 GB |
| Need for PC | No (can be reached by phone) | Yes (required) |
| Region change | Impossible | Possible (BL unlocked) |
| Data cleanup | Optionally | Clear all Recommended |
It takes 5 to 15 minutes, and you can't turn off the cable or interrupt the program, and when you're done, the phone automatically restarts, and the first run can take longer than usual, which is normal, and the system is configured.
Unlocking the bootloader: nuances and risks
Without an unlocked Bootloader, you're limited to only the official firmware in your region. Unlocking requires you to link your Mi Account to your device and get special permission from the company's servers. It's a device theft protection, but for enthusiasts, it's an additional barrier.
⚠️ Warning: Unlocking the bootloader automatically triggers the complete Wipe cleanup process. All files, photos and applications will be deleted without recovery unless a copy is made in advance.
Once unlocked, a warning will appear for a few seconds every time you turn on your phone that the device is not secure, which is a routine behavior that cannot be removed without being blocked again, and some banking apps and Google Pay (Wallet) may require additional manipulations (such as hiding root rights through Magisk) to work properly.
What to do if the status of the bootloader is Locked?
Common mistakes and ways to solve them
One of the most common errors is the message "Miss matching image" or "Anti-rollback check failed." This means that you are trying to install a version of the software below the one you are currently running (downgrade), or firmware from another model. Anti-rollback protects against such actions to prevent damage to critical partitions.
If the process is stuck on a certain percentage or there is a Flash Error error, try changing the process. USB-Port (it is desirable to use the port) USB 2.0 on the back of your PC, replace the cable or reinstall the drivers. Sometimes it helps to reboot the phone to mode. EDL (Emergency Download Mode, but it requires more in-depth knowledge.
If the phone goes into an endless bootloop after firmware, you need to reset it completely via Recovery (Wipe Data).If this does not help, you may have damaged the vbmeta partition or need to flash through EDL with an authorized account.
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Anti-rollback error is a security mechanism. Don't try to bypass it by installing older versions unless you're sure the downloaders are compatible.