Modern smartphone users often wonder how to find the RAM on Android, especially when the device starts to run slower or there are difficulties running heavy applications. The amount of random access memory (RAM) is one of the critical parameters that determine the performance of your gadget and the ability to handle multiple tasks simultaneously. Understanding how much RAM is available to the system helps you select apps wisely and identify the causes of system failures.
Most often, the need to check occurs when purchasing a used device or before installing resource-intensive games. Unlike desktop computers, where information is easy to find in the specifications, on mobile devices manufacturers sometimes hide the real numbers or use marketing gimmicks. We will consider all proven methods: from standard settings to use engineering menuso that you get the most accurate data about your device.
Checking through standard system settings
The easiest and safest way to get information is to use the built-in menus of the operating system. However, the interface may differ significantly depending on the shell installed by the manufacturer. On a “pure” one (as in Google Pixel or Motorola smartphones), the path usually lies through the “About phone” section. There you will find basic information, but not always detailed memory. Android (as in Google Pixel or Motorola smartphones) the path usually lies through the “About phone” section. There you will find basic information, but not always detailed memory.
For deeper analysis, you need to activate developer mode. This is a hidden menu section that gives access to advanced statistics. To get there, you need to find the “Build Number” item in the device information and quickly click on it seven times in a row. After this, a new section “For Developers” will appear in the settings, where you can view processes and memory usage in real time.
⚠️ Attention: Activating developer mode gives access to critical system settings. Changing the settings in the “Do not close applications” section or the limits of background processes without understanding the consequences can lead to unstable operation of the gadget.
The developers menu often displays not only the total volume, but also how much free memory is available right now. This is a useful metric for diagnostics: if, with a minimum number of running apps, less than 20% of RAM is free, the system may have hidden parasitic processes or requires optimization.
Before entering developer mode, write down the current value of the build number, so that in case of a factory reset you will know which version of the software was originally installed.
It is worth considering that manufacturers often reserve part of the memory for the needs of the system and GPU. Therefore, if the specifications state 6 GB, but the system shows 5.5 GB, this is a normal situation, and not a hoax. Part of the resources is allocated for the clipboard and the operation of hardware drivers.
Use of specialized applications
If standard settings do not give the full picture, third-party utilities from the store come to the rescue. Google Play. These applications scan the hardware and provide a detailed report, including memory type, frequency and number of occupied slots. The leaders in this niche are CPU-Z, AIDA64 and Device Info HW.
The application AIDA64 is considered one of the most informative tools. Once launched, it automatically detects all components of the smartphone. The RAM tab will show not only the total size, but also the current usage, as well as the memory type (for example, LPDDR4X or LPDDR5). This is important to know, since different types of memory have different bandwidth.
The utility Device Info HW is especially useful for advanced users, as it can even show the manufacturer of memory chips (Samsung, Hynix, Micron). This can be critically important when repairing or comparing different revisions of the same smartphone model, where the manufacturer could reduce the cost of components.
- 📱 CPU-Z - a lightweight application that shows basic information about the SoC and memory without unnecessary advertising.
- 📊 AIDA64 - a professional tool with detailed load graphs and temperature sensors.
- 🔍 DevCheck - a utility with modern interface, displaying information about sensors and battery status in real time.
Using such apps is safe, but it is worth remembering that they themselves consume a small amount of RAM for their work. When checking devices with a very small amount of RAM (less than 2 GB), it is better to close other applications before launching the diagnostic utility.
Secret codes and engineering menu
For those who prefer not to install unnecessary software, there are special USSD codes that call up the engineering menu. This method allows you to find out the RAM on Android directly through the system diagnostic interface. Codes may vary depending on the processor (MediaTek, Qualcomm) and the brand of the device.
The most universal code for processor-based devices MediaTek is ##3646633##. After entering, a menu will open in the dialer, where you need to go to the “Hardware Testing” -> “Memory” tab. The full amount of available physical memory and its operating status will be displayed here.
##4636##This code is standard for many devices on Android and opens the “Testing” menu. In the “Information about phone” or “Statistics” section you can often find memory usage data. However, on modern versions of Android, manufacturers often block access to these menus for ordinary users for security reasons.
⚠️ Attention: In the engineering menu, it is strictly forbidden to change the parameters in the “Connectivity” or “Audio” sections if you do not know exactly what they are responsible for. Resetting the radio module settings may result in loss of network signal.
For smartphones Xiaomi and Redmi there is often a code running ##6484##that launches the advanced CIT testing menu. There you can check not only the memory, but also the performance of the screen, sensor and cameras. This is an excellent way of comprehensive diagnostics before purchasing a used device.
What to do if the code does not work?
If entering the secret code does not bring up a menu, then the manufacturer has blocked this feature in its firmware. In this case, the only safe option is to use applications from Google Play or connect to a computer via ADB.
Diagnostics via connection to a computer (ADB)
The most accurate and professional method of obtaining information is using a debug bridge Android Debug Bridge (ADB). This method requires connecting the smartphone to the PC via a USB cable and having the drivers installed. It allows you to receive data directly from the system kernel, bypassing the limitations of the user interface.
First, you need to enable USB debugging in the “For Developers” menu on your phone. Then, having connected the device to the computer, you need to enter a special command in the command line (terminal). It will ask the system for a memory report and display it in text form.
adb shell dumpsys meminfoThe result of the command will show detailed statistics: total memory (Total RAM), free memory (Free RAM) and memory occupied by specific applications. This is the best way to understand which application is “eating up” resources and causing slowdowns.
| ADB command | Description of action | Difficulty |
|---|---|---|
adb shell cat /proc/meminfo |
Output of complete technical information about kernel memory | Medium |
adb shell dumpsys meminfo |
Analysis of memory usage by each process | High |
adb shell getprop ro.boot.ramsize |
Obtaining the declared RAM size from system properties | Low |
Use ADB gives the advantage that you see “honest” numbers that are not rounded or hidden by the manufacturer's shell. This is especially true for Chinese versions of smartphones, where the specifications in the menu can be adapted to the region of sale.
The ADB method is the only way to access hidden system memory logs without obtaining root access, which makes it safe for warranty.
Analysis of characteristics on the manufacturer's website
Sometimes you don’t need to go into the jungle of settings, just contact to official sources. The website of the manufacturer or large retailer contains the specification of the model, where the volume is clearly indicated RAM. However, there is a nuance here: the maximum volume is often indicated taking into account virtual memory expansion technology.
Technologies like RAM Plus (Samsung), Memory Extension (Xiaomi) or Dynamic RAM (Realme) allow you to use part of the internal drive as RAM. The specifications may say “8 GB + 4 GB”, where 4 GB is virtual memory. It works slower than real RAM, and it is important to understand this difference when choosing a device.
When studying the specifications, pay attention to the type of memory. Modern flagships use the LPDDR5 or LPDDR5Xstandard, which provides high data transfer speeds. It still occurs in budget models LPDDR4X, which can become a bottleneck when multitasking, even if the memory seems sufficient.
- ✅ Look for the line “RAM” or “RAM” in the “Display and Memory” section.
- 📝 Pay attention to the “expandable” or “virtual” marks.
- 🚀 Compare memory frequency: 4266 MHz faster than 3200 MHz.
Official websites also publish detailed PDF documents with technical specifications for the press. In them you can find information about memory channels (single-channel or dual-channel), which directly affects the performance of the GPU in games.
⚠️ Attention: Information on retailer websites sometimes contains errors or is not updated on time. Always double-check the data on the official website of the brand or in the settings of the device itself.
The impact of RAM on performance and games
Knowing how to find out RAM on Android is useless without understanding how this parameter affects performance. RAM stores data from running applications. The more it is, the more apps can run in the background without the need to reboot when switching. For modern heavy games, 6 GB is considered the minimum comfortable threshold.
If there is not enough memory, the system begins to actively use the swap file on the internal drive. Since the speed of flash memory is lower than the speed of RAM, this leads to noticeable micro-freezes and interface slowdowns. This is especially noticeable when minimizing the game and returning to it after a few minutes.
However, chasing record numbers (12 GB, 16 GB) in middle-class smartphones is not always justified. Optimization of the shell Android and processor often plays a big role. A well-optimized phone with 6 GB of memory can work smoother than a device with 8 GB, but with “heavy” firmware from the manufacturer.
☑️ Signs of low RAM
For ordinary tasks (social networks, instant messengers, video) 4-6 GB is enough. The memory reserve is needed mainly for gaming, working with graphics or using several windows simultaneously on tablets. It is important to ensure that there is always at least 15-20% of the total free memory left for the system cache to work correctly.
Is it true that the more RAM, the faster the phone?
Not always. The amount of RAM affects multitasking (the number of applications open at the same time), but not the processing speed of the processor. A phone with a powerful processor and 6GB of memory will perform faster in games than a phone with a weak processor and 12GB of memory. The speed depends on the frequency of the processor and the type of memory, and not just on its volume.
Is it possible to increase the physical RAM on a smartphone?
No, unlike computers, the RAM in smartphones is soldered onto the motherboard and cannot be replaced or increased. “Memory expansion” technologies only emulate RAM using internal flash memory, which gives a slight increase in multitasking, but does not replace the physical chip.
Why does the system show less memory than stated in the specifications?
Part of the RAM is reserved by the system for running the Android kernel, hardware drivers and the integrated graphics processor. For example, out of 4 GB of memory, only 3.2–3.5 GB may be available to the system. This is standard practice for all mobile devices.
How often should you clear RAM?
In modern versions of Android there is no need to constantly clean RAM through “task killers”. The system independently manages memory, unloading unnecessary processes. Forced cleaning can even be harmful, since the system will have to reload frequently used applications, wasting battery power and processor resources.