Modern Xiaomi, Redmi and POCO smartphones often come with a Chinese version of the operating system that lacks Russian and preinstalled unnecessary services. Many users face the need to change the regional version of the software to access Google Play, banking applications and full localization. The process of reinstallation of firmware may seem difficult for a beginner, but with strict follow-up instructions, it takes no more than 15-20 minutes.
There are two main methods of installation: through the built-in update menu (Recovery) and through the computer in Fastboot mode. The first option is safer and is suitable for most cases when you just need to change the region or update the version of MIUI. The second method is necessary if the phone is stuck on the logo, requires unlocking the bootloader or completely cleaning the data with a change in the partition structure.
Before you start taking action, it is critical to understand which version of the system is installed on your device now. If you try to install global firmware on top of Chinese through the standard menu without unlocking the bootloader, the process will end in error. Unlock Bootloader is mandatory for changing the region from CN to Global and requires a wait of 7 to 168 hours after submitting an application.
Preparation of the device and choice of software version
Start by identifying the current version of MIUI or HyperOS. Go to Settings → About the phone and notice the letter index at the end of the line of the version. For China, it is CN, for the Global version, for Russia - RU, for Europe - EEA. Trying to reflash the device without this parameter can lead to a software failure.
Next, you need to download the current image of the system from an official source. Using third-party builds may contain malicious code or unstable modules. It is best to download files from the portal miui.com or verified archives, making sure that the model of your phone fully matches the code name of the firmware (for example, gucci for Redmi Note 3).
⚠️ Warning: Make sure the battery is at least 60% charged. interruption of the data writing process due to battery discharge may result in the system not being booted.
Also check the space in the internal memory. The installer requires a space roughly double the size of the firmware file to work properly. If there is not enough memory, delete the extra photos, videos or transfer them to the computer before the procedure begins.
Required tools and drivers
For successful flashing, especially through a computer, you will need high-quality flashing. USB-Cheap charging-only cables do not provide a stable data channel, leading to connection errors in Fastboot mode or EDL. It is recommended to use the original cable or certified analogue with support for high-speed data transfer.
A Windows computer needs to install ADB and Fastboot drivers, as well as Qualcomm or MediaTek drivers, depending on the processor of your smartphone. Without these components, the computer simply won't see the connected device in special mode. Often these are installed automatically when you connect, but it's better to download the Universal ADB Driver package in advance.
Remember to back up all your important data. The flashing process, especially with Wipe Data, will completely destroy the information in your phone's memory. Contacts should be synced with your Google or Mi Account account, and photos should be saved in the cloud.
☑️ Checklist before firmware
Method 1: Update via Recovery (without PC)
This is a good way to upgrade your version within a single region or install an official firmware of the same type (e.g. Global on Global).The firmware file should have a.zip extension and weigh about 2-3 GB. Place the downloaded file in the root of the phone's internal memory.
Go to Settings → About Phone and click on MIUI. In the window that opens, click on the three dots in the top right corner and select Select a firmware file. Find the previously downloaded archive and confirm the action. The phone will restart and begin the installation process.
If the system gives a message "failed to update", it means that the version in the file is older than the current one or the regions do not match, in which case only the method with the unlocked bootloader or using Recovery mode through the volume button will help.
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If the standard menu doesn’t see the firmware file, rename it to “update.zip” and put it in the root of internal memory, not in folders.
Method 2: Installation with Fastboot and Mi Flash Tool
This is the most powerful method for installing any official firmware, but it requires an unlocked bootloader. The firmware file must be in.tgz format, which you need to unpack on your computer. The path to the folder must not contain Cyrillic alphabets or spaces.
Turn your smartphone into Fastboot mode. Turn off your phone and press the power and volume buttons at the same time. The screen will show an image of a rabbit repairing an android, or the words FASTBOOT. Connect the phone to your computer.
Launch the Mi Flash Tool on behalf of the administrator. Press the Refresh button to detect the device. Select the firmware mode at the bottom of the window: Clean all (to clean and install) or Clean all and lock** (to clean and lock the bootloader). Be careful: locking the bootloader when installing the firmware in the wrong region (e.g. Global in China) will turn the phone into a brick.
| Firmware mode | Data retention | Locking the loader | Recommendation |
|---|---|---|---|
| Update | Keeps it. | It doesn't. | To update the version |
| Clean all | Deletes everything. | It doesn't. | To change the region |
| Clean all and lock | Deletes everything. | Locks it down. | Only for the original region |
After selecting the firmware file (Select button) and mode, press Flash. The process will take 200 to 600 seconds. Do not turn off the cable until the green "Success" label appears.
What to do if the Mi Flash Tool gives an error? Most often the error is associated with drivers or the path to the file. Make sure that there are no Russian letters and spaces on the way to the firmware folder (for example, C).
Solving Typical Errors and Problems
One common problem is the “Can’t verify update” error, which occurs when you try to install a firmware with a higher version of Android on an older one or when you mismatch signatures, the solution is only to completely clean the data through Recovery or use Fastboot with Clean all mode.
If the phone goes into an endless bootloop after running, try re-entering Recovery mode and doing Wipe Data. If that doesn't work, you may have installed a broken version of the software or interrupted recording, you'll need to re-flash through Fastboot again.
⚠️ Warning: When blocking the bootloader, make sure the firmware matches the region of the device. Blocking the Global firmware on the Chinese machine will lock the device dead.
In some cases, the antivirus on the computer can block the work of the scripts of the firmware. During the procedure, it is recommended to temporarily disable the protection or add a folder with tools in exceptions.
The first steps after reinstallation of the system
After the successful installation and the first boot, you'll see a welcome screen, the system can heat up and consume more than usual in the first 2-3 days, it's a normal process of optimizing and indexing files, let the phone lie on charging alone for at least one night.
Be sure to check the security certificates. You can download the Device Info HW app or check the status in Settings → About Phone → Processor (clicking several times). If the status of “Unlocked”, then the bootloader is unlocked, which can affect the operation of some banking applications (although in 2026 many banks have already learned to work with root rights and unlocked downloaders through the magick).
Don't be in a hurry to restore all applications from backup at once. Install them gradually, checking the stability of the system, which will help identify a conflict application if it occurs.
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The stability of work after flashing directly depends on the quality of the firmware file and the step of complete data cleaning (Wipe Data).