Owners of Xiaomi, Redmi and POCO smartphones often face the need to clarify the exact version of the installed software, which may be required when buying a used device, before resetting settings or to check the relevance of system updates. Knowing the exact modification of the software helps to avoid conflicts when installing custom recavators or obtaining superuser rights.
Understanding the version numbering structure allows users to navigate the mobile world and distinguish global builds from Chinese counterparts. In this article, we will explore in detail where to find hidden information about the system, how to decrypt complex alphanumeric codes, and why MIUI or HyperOS can behave differently depending on the region of the firmware.
Don't underestimate the importance of this information, because it's the version of the software that determines compatibility with banking applications and the operation of certain camera functions. Let's look at the tools that the operating system itself provides for diagnostics.
Verification in the standard settings menu
The most obvious and affordable way to find out the current version of the software is to look at the standard smartphone settings menu, which does not require you to connect to your computer or install additional applications, making it ideal for quick check-ups, and you need to open the Settings app and scroll down to the bottom of the list to “About Phone”.
In the window that opens, you will see a large digit indicating the shell version, for example, 14.0.5 or 1.0.2. However, for a complete picture, this information is not enough. You need to click on this number several times (usually 7-10 times) to activate the hidden menu or just see more detailed information about the build.
When you activate the additional menu, you'll see a page with the system logo that displays the full version code, and that's where you'll find key data about the region of the device and the type of build, and you'll notice the bottom of the screen, where you can see bootloader status or nuclear build information.
⚠️ Note: Do not blindly click on other hidden items in this menu unless you are sure of their purpose, as some may run iron tests or reset the display calibration.
Importantly, the interface may vary slightly on different versions of the shell, with older versions of MIUI displaying detailed information immediately, while newer versions of HyperOS have the company actively hiding technical details from the average user, requiring additional actions.
Decoding the code of the firmware version
The version code you see after you activate the menu looks like a set of characters, like V14.0.5.0.TNLMIXM. For the untrained user, it's just a bunch of letters, but for the expert, it's an accurate map of the origin of your device, and let's break down the structure of that code by segments so you can define the software's characteristics for yourself.
The first letter after the version number (in this example, "T") indicates the platform or the generation of the processor. The next two letters indicate the device model, and the last three characters indicate the region. Understanding this structure is critical when finding the right file for manual updates through Recovery.
Below is a table of the major regional codes that are most commonly found in the global market, and knowing these acronyms will help you understand whether your firmware is designed for Europe, Russia or China.
| Region code | Distribution region | Features |
|---|---|---|
| MI | Global (Global) | International version with multilingual |
| EU | Europe | European assembly, often without some Chinese services |
| RU | Russia | Localized version with pre-installed services of the Russian Federation |
| CN | China | Chinese version, often without Google services out of the box |
| IN | India | Indian assembly, there may be LTE frequency restrictions |
Also worth noting is the suffixes at the end of the code: the presence of an "X" at the end (e.g. MIXM) often indicates a global version, while "CNCXM" indicates a Chinese version, which determines whether or not Google Play Store and Google system applications are available by default.
⚠️ Warning: Installing firmware from another region (e.g. global to a Chinese phone) without unlocking the bootloader will cause installation error and can turn the device into a brick".
Using the Engineering Menu for Diagnostics
For more technical information, including the kernel compilation date and the exact database build number, you can use an engineering menu, which is suitable for advanced users who do not have enough standard information, and entering special codes into the phone book opens up access to hidden diagnostic sections.
The most universal code for Xiaomi devices is ##6484##. Once the last digit (star) is entered, the phone will automatically go to CIT (Customer Integration Test) mode. Here you can check the operation of all sensors, but we are interested in another combination to get information about the software.
Try entering code ##4636##. This code opens the Testing menu, where the "Phone Information" or "Device Info" section often displays more detailed information about the current build than the standard menu, and you can see IMEI, network status, and the version of the underlying software.
If the standard codes don't work, it's possible that the manufacturer has blocked them for your region or shell version, so you can try the universal code ##8255## that runs the GTalk Service Monitor, where technical information about the system also slips sometimes.
Using the engineering menu is safe as long as you don’t change the radio settings, but resetting the network settings or changing the preferred network type without understanding the consequences can cause a signal to disappear or mobile internet to function in an unstable way.
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If the code doesn’t work, try entering it slowly, pausing between characters, or use Google’s caller apps that handle it better. USSD-team.
Third-party characterization annexes
When built-in tools are scarce, specialized tools from the Google Play Store come to the rescue, collecting comprehensive information about the hardware and software of the device in a readable way, and are especially useful when buying a used smartphone to see if it will re-flash.
One of the most popular tools is the CPU-Z app, which shows not only the CPU model, but also the detailed system information in the Device tab, and you can see the exact resolution of the screen, the density of the pixels, and, importantly, the version of Android and the kernel.
Another powerful tool is AIDA64, which is perhaps the most comprehensive system report available, and in the Android section, you'll find information about the device's code name, the version's SDK, and of course the build number, and it can export the report to a text file, which is easy to analyze.
- 📱 CPU-Z — lightweight application, quickly shows basic data about the system and sensors.
- 📊 AIDA64 — Professional tool with a detailed report on all components of the smartphone.
- 🔍 Device Info HW — It specializes in camera and codec information, but also shows firmware data.
Using third-party software requires permissions to access device information, and while these apps have a good reputation, it’s always worth downloading them only from official sources to avoid the introduction of malware.
⚠️ Warning: Avoid using questionable "accelerators" or "cleaners" that promise to show a firmware version. Often, these apps contain ads or collect personal user data.
☑️ Checking a used smartphone before buying
Differences between MIUI and HyperOS
With the release of the new HyperOS operating system, Xiaomi has begun to change the way it labels versions, and if MIUI was the dominant acronym, devices are now gradually migrating to the new platform, and you can tell which system is on your device by using the logo when you download and in the settings menu.
Visually, HyperOS features smoother animations and a modified notification curtain design. However, the version number can be confusing. For example, the global version of HyperOS may have a number of 1.0.x, while MIUI 14 had numbers of 14.0.x. It is important not to confuse major updates.
The main difference is the architecture of the system: HyperOS is based on deeper integration with the smart home ecosystem and has a modified core, which affects how the system manages memory and background processes, which means for the user that customization methods that worked on MIUI may not work on HyperOS.
When searching for firmware on official forums, you now need to pay attention to the OS prefix. If you are looking for files to recover, make sure you choose a package specifically for your shell version, as the structure of the memory partitions may differ.
Can I upgrade from MIUI to HyperOS?
Problems with definition of the version and their solution
Sometimes users are faced with a situation where the phone shows one version, and the behavior of the system shows that it is different, this can be due to the fact that the device has custom firmware or modified Recovery, in which case standard methods can show false data.
If the settings menu displays a version but the phone is not stable, it is worth checking the integrity of the system files. You can use Recovery mode by clamping down on the power and volume buttons. The recovery menu often displays the real version of the installed software.
Another reason for the discrepancy may be the existence of superuser rights (Root), which allows the build.prop system file to change the displayed version of the model or firmware, often to install games that are not available in the region, or to hide the fact of the modification of the system from banking applications.
- 🔄 Resetting – sometimes helps to return a version to a correct display after a failed update.
- 💾 Firmware is a radical but effective way to return the device to factory status with the correct version of the software.
- 🛠️ Check through ADB — PC connection and input of adb shell getprop ro.build.version.incremental will show the true build number.
If you suspect that the device is a modified firmware purchased from hand, it is better to immediately perform a full reset (Wipe Data), which will remove possible hidden miners or malicious scripts embedded by the previous owner.
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The most reliable way to find out the true version of firmware is to compare the data from the settings menu with the information obtained through the application. ADB-commands or menus of recovery.