Owners of Android devices are often faced with the need to check the technical characteristics of the gadget, especially when the device starts to run slower or freezes in games. RAM (RAM) is one of the key parameters that determine the speed of the tablet and the ability to run resource-intensive applications. Understanding how many megabytes or gigabytes are available to the system helps to competently manage running processes and extend the life of the battery.
Many users buy devices on the secondary market or receive them as a gift, without having the original box or documentation on hand, which contains the exact specifications. In such situations, the question arises: how to find the RAM on an Android tablet without disassembling the case? Fortunately, the Android operating system provides several built-in tools and also allows you to use specialized software for in-depth diagnostics. We will look at all available methods, from simple settings to advanced utilities.
Knowing the amount of RAM is important not only for diagnostics, but also for understanding the limitations of the device when installing modern apps. If you plan to use the tablet for multitasking or running heavy games, the amount of available memory becomes a critical factor. Let's look at step-by-step guide that will help you get this information in a matter of minutes.
Checking through standard system settings
The easiest and safest way to find out the amount of installed memory is to go to the settings menu of the tablet itself. The interface may differ slightly depending on the version of Android and the manufacturer's shell (for example MIUI, OneUI or pure Android), but the logic remains the same. Usually the data is hidden in the “About phone” or “About tablet” section. This displays basic information about the model, firmware version and total storage capacity.
However, not all manufacturers display the amount of RAM on the main device information screen. Often you will need to click a few extra times on the build version or select "Advanced Settings". In some cases, the system only shows the total volume, without indicating exactly how much is available right now. This is suitable for a quick assessment, but for an in-depth analysis, more detailed information may be required.
⚠️ Attention: On some budget models of Chinese brands, incorrect data may be displayed in the settings menu if the firmware has been modified. In such cases, you should not rely on the standard menu.
To find the necessary data, go to Settings → About the tablet → Kernel version/Build. If the amount of RAM is not indicated explicitly, try clicking 7-10 times in a row on the “Build number” or “MIUI/EMUI Version” item to activate the developer mode, although most often the memory is indicated simply in the list of characteristics next to the processor.
If there are no exact ones in the standard menu data, do not rush to reset the settings - use third-party applications that read information directly from the memory controller.
Using the engineering menu and hidden codes
A more advanced method, available without installing additional software, is to call the engineering menu through special USSD codes or commands in the dialer. This method works on most devices, but the interface may be hidden by the manufacturer. To access diagnostics, a code is often used ##4636##, which opens the testing menu.
After entering the combination, a service menu should appear on the screen. You are interested in the section Device Information or “Device Information”. There you can find a line Total RAMthat will show the total amount of installed memory. It is important to understand that this method does not work on all tablets, especially if the device does not have a cellular module and the Phone application.
- 🔍 Enter the code
##4636##in the Phone application. - 📱 If the code does not work, try
#0#(relevant for Samsung and some other brands). - ⚙️ Look for the “Statistics” or “Memory” section.
- 📝 Write down the Total RAM value for comparison with the declared one.
There are other codes specific to manufacturers, for example #1234# for Samsung or ##6484##* for Xiaomi. If none of the codes activate the menu, then the manufacturer has blocked this feature at the firmware level, and you should move on to software verification methods.
What to do if the codes do not work?
If dialer codes do not open the menu, this means that the tablet shell does not support them or the standard one has been replaced "dialer". In this case, the only option is to install diagnostic utilities from Google Play.
Detailed diagnostics through third-party applications
The most accurate and detailed information about the configuration of your tablet is provided by specialized benchmark applications and diagnosticians. The leader in this area is the utility CPU-Z, which displays data from all sensors and controllers of the device. After installation, launch the application and go to the Device or Memory.
tab. Here you will see not only the total amount of RAM, but also the current load, channel frequency and memory type (for example, LPDDR4 or LPDDR5). Another popular app is AIDA64which provides a comprehensive report on the system. The section Memory displays the amount of physical memory available to the user and the amount reserved by the system.
| Application | APK size | Data detail | Presence of advertising |
|---|---|---|---|
| CPU-Z | ~5 MB | High | No |
| AIDA64 | ~10 MB | Maximum | Yes (in) |
| DevCheck | ~8 MB | Average | Yes |
| AnTuTu | ~60 MB | High + tests | No |
The use of such apps allows us to identify discrepancy (discrepancy) between declared and actual memory capacity, which is often found in counterfeit devices. If the application shows 1 GB instead of the declared 4 GB, it means that the tablet was flashed fraudulently.
Memory analysis via computer and ADB
For users who prefer to work with a PC, there is a powerful debugging tool Android Debug Bridge (ADB). This method requires connecting the tablet to the computer via USB and turning on debugging mode. It allows you to access system logs and kernel configuration files, where precise information about the hardware is stored.
First, you need to activate developer mode by clicking on the build number seven times in the settings, and then enable “USB Debugging.” After connecting to the PC and installing the drivers, run the command in the terminal: adb shell cat /proc/meminfo. This command will display a detailed list of memory parameters.
adb shell cat /proc/meminfo | grep MemTotalIn response you will receive a string with the total size in kilobytes. Divide this number by 1024 twice to get the size in gigabytes. This method is good because it reads data directly from the Linux kernel on which Android is based, and it is almost impossible to tamper with software without resoldering the chips.
⚠️ Attention: When working with ADB, be careful with write commands. An erroneous input can lead to unstable system operation, although reading data through cat is absolutely safe.
The difference between physical and available memory
It is important to understand that the amount of memory that the user sees is always less than the physical volume of the chip installed on the board. Part of the RAM is reserved by the operating system for the kernel, drivers, and graphics buffer. For example, on a tablet with 4 GB of memory, only 2.8–3.2 GB may be available to the user.
This is normal behavior for the architecture ARM and Android. The system dynamically manages resources, allocating the necessary blocks for running applications. If you see a significant difference (for example, out of 4 GB, less than 2 GB is available), this may indicate a memory leak or the presence of heavy system processes.
The available amount of RAM is always less than the physical amount due to redundancy for the needs of the Android kernel and hardware components.
It is also worth considering that some manufacturers use memory expansion technology when part of the internal storage (ROM) is temporarily used as RAM. In the settings this may be called “RAM Plus” or “Memory Extension”, but the operating speed of such memory is much lower than that of real RAM.
☑️ What to look for when analyzing memory
What to do if there is constantly not enough memory
If diagnostics show that the memory volume is small or it fills up quickly, it is worth optimizing. The first step is to remove rarely used applications and clear the cache. Heavy social networks and instant messengers tend to accumulate gigabytes of temporary files, which take up valuable space in RAM when running in the background.
Use the built-in energy saving features, which often include a mode to “freeze” background processes. Many tablets have a memory clearing function in the multitasking menu (square or swipe up). Regular use of this function helps free up resources for the current task.
- 🧹 Regularly clear the cache of heavy applications.
- 🚫 Disable autorun of unnecessary apps.
- 🔄 Reboot the tablet every 2-3 days to reset processes.
- 📉 Use “Lite” versions of applications for weak devices.
As a last resort, if the device is critically slow, you can consider installing lightweight firmware (Custom ROM), which is devoid of pre-installed garbage from the manufacturer. However, this requires an unlocked bootloader and certain skills, as it carries the risk of voiding the warranty.
Frequently asked questions (FAQ)
Is it possible to increase the physical amount of RAM on the tablet?
No, the physical memory chip is soldered into the motherboard and cannot be replaced or expanded at home. All statements about “increasing RAM” refer to software expansion through internal flash memory, which gives a minimal performance increase.
Why does the application show less memory than stated in the characteristics?
Some of the memory is reserved by the Android system for the kernel and hardware. In addition, manufacturers often indicate the full volume of the chip, while the system takes about 20-30% for its needs. This is normal.
Does the amount of RAM affect the charging speed?
Directly - no. Charging speed depends on the power controller and battery. However, a large amount of RAM allows you to keep more applications in the background, which can increase overall power consumption and indirectly affect battery life.
How can you learn how much memory is free right now?
To do this, it is best to use the CPU-Z application or the “Memory” section in the developer settings. The standard settings menu often shows only the total volume, but not the current load in real time.