Modern mobile devices run on many different versions of the operating system, and sometimes it is critical to understand what software is installed on your gadget. Knowing the exact number helps when searching for compatible apps, diagnosing errors, or simply understanding whether the latest security update is available to you. In this material, we will analyze in detail all possible ways to obtain this information, from standard menus to engineering codes.
Users often confuse the OS version number with the firmware build number or security patch update date, although these are completely different parameters. Android version indicates the global state of the platform (for example, Android 13 or 14), while the build number is unique to each manufacturer and specific device model. Understanding this difference will allow you to competently communicate with technical support and look for solutions to problems on specialized forums.
Shell interfaces from Samsung, Xiaomi, Realme and other brands can differ significantly from each other, hiding the necessary items in different sections of the settings. We will look at universal paths for “pure” Android and adapted instructions for popular custom launchers so that you can easily find the necessary data regardless of the brand of your smartphone.
Standard path through system settings
The most reliable and obvious way to find out the version of the operating system is to use the standard settings menu. This method works on 99% of devices, no matter how deeply the manufacturer has changed the visual style of the interface. You need to open the application Settingswhich usually looks like a gear, and scroll to the bottom of the list of options.
At the bottom of the menu you will find a section that may have different names depending on the brand. On devices with pure Android (Pixel, Motorola) this is item System or About phone. On Samsung smartphones you need to look for the section Phone information, and for Xiaomi and Redmi owners - the tab About phone at the very top or bottom of the settings list. By clicking on this item, you will be taken to a screen with technical information.
A large number is displayed here, indicating the main version of Android. Next to it, the security patch level and firmware build number are often indicated. MIUI interface or One UI can hide additional details behind repeated clicks on certain lines. If you do not immediately see the necessary information, carefully inspect the screen: sometimes information about the software version is placed in a separate subsection Android version or Software information.
⚠️ Attention: On some budget models of Chinese brands in Global firmware may display incorrect information about the Android version due to localization errors. If the numbers are in doubt, double-check the data through the engineering menu or third-party utilities.
Remember the firmware build number (Build Number) - you will need it if you want to manually install the update via Recovery or contact a service center.
Hidden functions and developer Easter eggs
Google has introduced an interesting feature into the system: repeatedly clicking on the Android version number opens a hidden menu with a mini-game or animation specific to a specific OS version. This is not just entertainment, but a way to quickly verify the authenticity of the installed firmware and its belonging to a certain branch of the platform.
To activate this function, find the line Android version in the “About phone” menu and quickly click on it 5-7 times in a row. The logo of the corresponding version will appear on the screen: for example, the letter “T” for Android 13 or an inverted number “4” for Android 14. After this, an interactive element often appears, allowing you to change the background or start a simple game.
This trick also indirectly confirms that the device does not have a fake operating system installed, since emulators and cheap copies often do not have written scripts for these animations. Easter eggs change with each major update, so by the appearance of the logo you can instantly determine the major version of the software without reading into the numbers.
Using the engineering menu and codes
For more advanced users or in situations where the standard menu is not available (for example, when the launcher freezes), there are special service codes. Entering these combinations in the Phone application allows you to get into hidden diagnostic sections, where detailed technical information about the software and hardware is displayed.
The most universal code for devices based on MediaTek processors and many other chipsets is ##4636##. After entering the last characters, the device will automatically redirect you to the menu Testing. Select item Phone information (Phone information), where in the list of parameters there will be a line with the software version. Samsung devices often run a code *#1234#that immediately displays three key parameters: AP (system), CP (modem) and CSC (regional firmware).
It is worth considering that manufacturers can block access to engineering menus in stable firmware versions for ordinary users. If the code does not work and simply disappears after typing, then this feature has been disabled by the shell developer. In this case, it is worth trying the code #0# for a general test of the equipment, where sometimes information about the software is also duplicated.
##4636##
*#1234#
#0#⚠️ Attention: Be extremely careful in the engineering menu. Changing parameters in sections Set preferred network type or resetting usage statistics may lead to loss of the network or incorrect operation of the modem. Change only those settings whose meaning you know for sure.
Checking through applications and ADB
If the built-in system tools for some reason do not display information correctly, third-party utilities from the Google Play store will come to the rescue. Applications like CPU-Z, AIDA64 or Device Info HW read data directly from system files, providing the most accurate and detailed summary.
After installing such an application, go to the System or OStab. Here you will see not only the Android version, but also the API level, Linux kernel, processor architecture and the amount of available RAM. This data is especially useful when installing custom recovery or searching for compatible drivers for connecting to a PC.
For the most experienced users, there is a method of checking via USB debugging using a computer. By connecting your smartphone in debug mode and launching the ADB console, you can enter a command that will return the exact value of the system property. This is the most reliable method, since it requests data directly from the kernel, bypassing the graphical shell.
adb shell getprop ro.build.version.release☑️ Verifying the authenticity of the firmware
Differences between versions on different shells
Smartphone manufacturers are actively modifying base Android, creating their own shells that can mask the true version of the system or add their own designations to it. For example, Xiaomi uses a version of MIUI or HyperOS, which is updated regardless of the version of Android, which often misleads users.
Below is a table to help you navigate the names of sections for popular brands. This will save your time when searching for the treasured number in the labyrinths of the menu.
| Brand | Section name | Where to look for the version |
|---|---|---|
| Samsung | Information about the phone | Information about the software → Android version |
| Xiaomi / Redmi | About phone | MIUI / HyperOS version (also Android version) |
| Google Pixel | System | Additional → About phone |
| Realme / OPPO | About device | Software version → Details |
It is important to understand that custom firmware (LineageOS, Pixel Experience) may have their own version numbering, different from the stock one. In such cases, you should focus on the documentation of a specific developer community, since standard paths in the settings can be changed or deleted.
On Xiaomi smartphones, the MIUI shell version is written in large font, and the Android version is often hidden in small details underneath - do not confuse these two values.
Why you need to know the exact software version
Information about the operating system version is key when installing applications from third-party sources. Many apps require a minimum level of API: for example, a new messenger may simply not install on Android 8, requiring at least Android 10. Knowing your parameters will allow you to avoid compatibility errors and wasted time for downloading inappropriate files.
In addition, this is critical for security. Google regularly releases patches to fix vulnerabilities. If your operator or manufacturer has stopped supporting the device and you are stuck on an old version, you should be aware of the risks of using banking applications or entering payment data on such a device. Outdated software is the main loophole for malicious scripts.
The Android version also affects the operation of smart home functions and pairing with accessories. Some Bluetooth protocols or Wi-Fi standards begin to work correctly only after updating to a certain version of the system. If you have problems connecting your headphones or watch, first check that the firmware is up to date.
⚠️ Attention: Interfaces and menu item names may change after major shell updates. If you do not find the described path, use the search in the settings by entering the request “Version” or “About phone”.
What to do if the version is not updated?
If the manufacturer has stopped supporting, you can consider installing custom firmware. This requires unlocking the bootloader and carries the risk of voiding the warranty, but allows you to get the latest versions of Android on older devices.
Frequently asked questions (FAQ)
Is it possible to downgrade the Android version back to the old one?
Officially, this function is almost never provided by manufacturers. Rollback (downgrade) is only possible through complex manipulations with the unlocked bootloader and firmware via Fastboot, which can lead to complete loss of data and “bricking” the device.
Why am I not receiving an update to the new version of Android?
It depends on the manufacturer’s policy. Budget models often receive only 1-2 major updates, while flagships are supported for 3-5 years. Also, the update may not arrive due to regional restrictions or modified firmware.
Does the Android version affect the speed of the smartphone?
Yes, new versions are optimized for modern hardware, but on older devices they may work slower due to increased resource requirements. Sometimes a stable old version works faster than a “raw” new one.
Where can I see the date of the last security update?
Usually this information is located in the same “About phone” section, next to the Android version, and is called “Security patch level” or “Patch level”. It indicates how protected your device is from known viruses.
What is a build number and why do you need it?
Build Number is a unique identifier of a specific firmware version released by the factory. It is needed to accurately identify the software when contacting a service or searching for drivers, since the same version of Android can have dozens of different assemblies.