The process of flashing the Xiaomi Redmi Note smartphone often becomes a necessity when the device begins to work unstable, software failures appear or there is a desire to upgrade to a fresher version of MIUI or HyperOS. Unlike the standard update “over the air”, manual installation of the system image allows you to completely clean the drive of garbage, fix errors of previous updates and even change the firmware region, for example, switch from the Chinese version to the global one.
However, software interference carries risks: improper implementation of firmware steps can cause the device to fail completely, turning it into a brick without the possibility of recovery by standard methods. Therefore, it is extremely important to carefully study the theoretical part, prepare all the necessary tools and follow the algorithm of actions described in this guide.
Before you start to take action, you need to understand what kind of firmware you need. There are several types of builds, varying by region, type of bootloader and method of installation. Choosing the right file is the foundation of a successful operation, and ignoring the compatibility of the model with a particular system image can lead to unpredictable consequences, including broken communication modules or cameras.
⚠️ Warning: Before any manipulations, be sure to back up all important data. During the firmware process, the device’s internal memory will be completely cleared, and it will be impossible to restore photos or contacts without a backup.
Preparation of tools and files for firmware
The success of the operation depends on 90% of the quality of the workspace and software, you will need a personal computer or laptop with Windows operating system, as most official Xiaomi tools are optimized for this platform. Quality is also required. USB-cable, preferably original, to provide a stable connection without interruptions at a critical time of data recording.
The first step is to install the drivers you need. Without the ADB and Fastboot drivers working properly, your computer won't see your smartphone in the right mode. Often they come with the Mi Flash Tool, but they can be installed separately. Once you install the drivers, you should check their work in the Device Manager by connecting the phone in debugging mode.
The official images are available on miui.com or through third-party vetted resources. It is important to pay attention to the file type: the method through Fastboot requires an archive with the extension.tgz, and for Recovery -.zip. Don't confuse them, as each method requires a different format.
- 🔌 USB-cable: Use the original cable or certified analogue with data support, not just charging.
- 💻 Windows PC: It is recommended to use Windows 10 or 11 for maximum driver compatibility.
- 🔋 Battery charge: The battery level of the smartphone should be at least 60% before the procedure begins.
☑️ Firmware preparation
Unlocking the Bootloader bootloader
The official firmware of Xiaomi devices often requires an unlocked bootloader. This is a security mechanism that prevents the installation of modified software. The unlock procedure is mandatory if you plan to use the Fastboot method or install custom recavators. Without an unlocked BL, you will not be able to record a new image of the system.
The process of linking a Mi Account to a device can take anywhere from 7 to 168 hours (one week), a restriction introduced by the company for security. Once you get permission from the Mi Unlock Status app on your phone, you need to put the device into Fastboot mode by clamping down the volume and power buttons, and connect it to your PC.
Run the Mi Unlock Tool on your computer and log in to your account. The program will automatically check the status of the device. If the wait time is out, the unlock button will become active. The process takes a few minutes, after which the phone will restart, and all data will be deleted.
What to do if Mi Unlock is writing an error?
Fastboot (Mi Flash Tool)
Fastboot is the most reliable and commonly used way to restore or update a system, allowing you to record a new image even if the current system is damaged, and requires the Mi Flash Tool, which you can download from the official developer website.
Once you unpack the firmware archive (namely.tgz, not.zip) and start the program, you need to choose the path to the unpacked folder. It's important not to choose the archive itself, but the folder that contains the image subfolders and other system files. The program address bar should display the full path.
Put your smartphone into Fastboot mode (click Volume Down + Power) and connect to your PC. In Device Manager, it should be defined as Android Bootloader Interface. In the utility, press the Refresh button and if the drivers are installed correctly, the device serial number will appear. Select the Clean all firmware mode for full cleaning or Save user data if you need to save files (not recommended when changing region).
| Parameter | Description | Recommendation |
|---|---|---|
| Clean all mode | Complete data cleanup | Recommended when changing the region or version of Android |
| Save user data mode | Data retention | Updating within a single region only |
| Clean all + lock mode | Cleaning and blocking BL | Use with caution, only for stock firmware |
💡
Using the “Clean all + lock” mode on a modified or regionally incompatible firmware is guaranteed to lock the device (Hard Brick).
Update via Recovery Mode (Local Update)
If the bootloader is unlocked, but you don't want to use the PC, you can use the built-in recovery, which is suitable for updating the system version or switching between stable builds of one region. The firmware file should be in.zip format and renamed to update.zip (although new versions of MIUI often just select a file).
Place the firmware file in the root of the smartphone's internal memory. Then go to Settings → About Phone → MIUI version and click three dots in the corner of the screen. Select "Select firmware file" and specify the downloaded archive. The system will check the integrity of the file and prompt you to start the update.
Alternatively, turn off your phone, press Volume Up + Power. In the menu that appears, select the language (if any) and press Connect with MIAssistant (for PC connection) or use the standard menu to select a file if this option is available in your version of the Recovery. However, the method through settings in the working system is considered safer for beginners.
- 📂 The path to the file: The firmware should lie at the root of internal memory, not in folders.
- 🔄 Check: The system will check compatibility before installation.
- ⏳ Time: The process takes 10 to 30 minutes, the phone will be rebooted several times.
Installation of Global ROM on the Chinese version
Owners of devices imported from China often face a lack of Google services and Chinese language in the interface. Installing global firmware (Global ROM) solves these problems, but requires special care. The main difficulty is to check regional compatibility: you can not just take firmware from the European Redmi Note and put it on the Chinese counterpart, even if the models are called the same.
You need to check the code names of the devices. For example, the Chinese Redmi Note 12 Turbo corresponds to the global POCO F5. The firmware from POCO F5 can be installed on the Turbo, but not vice versa without modifications. Using the wrong image will lead to a cyclic reboot (bootloop).
The process is similar to the firmware through Fastboot, but with the mandatory unlock of the bootloader. After unlocking, download the Global Stable file in.tgz format. In the Mi Flash Tool, select Clean all mode. Once the procedure is complete, the phone will be completely in English or Russian, with Google Play preinstalled and without Chinese software.
⚠️ Warning: When you flash the Chinese version to the global version, Anti-Rollback protection may work. Make sure that the Android version in the new firmware is not lower than the one installed now, otherwise the device will lock at the bootloader level.
Solution and errors in firmware
Even with careful preparation, errors can occur, and one of the most common is Missmatching image and device, which means that the selected firmware file does not match the model of the device, the solution is one: double-check the code name and download the correct image, ignoring this error and trying to sew "through force" will lead to failure.
Another common problem is Can't flash storage partition error or hanging on a certain percentage. USB-cable, port USB 3.0 (try it out) USB 2.0) or an antivirus that blocks the record. It is also worth trying to change the port or computer.
If the phone went into a bootloop after a failed firmware, don't panic. Try entering Recovery mode and doing Wipe Data. If that doesn't work, you'll have to go back to Fastboot mode and repeat the firmware procedure from the start, making sure you choose the full clean mode.
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If the Mi Flash Tool is an error and the process stops, try running the program on behalf of the administrator and temporarily disable antivirus software that can block access to ports.