When a smartphone starts to slow down and applications are unloaded from memory immediately after being minimized, this is a direct signal of a critical lack of random access memory (RAM), the physical volume of which in the device is strictly specified by the manufacturer and cannot be expanded via hardware via a memory card, however, special apps allow you to create a virtual swap file and effectively increase the available system resource without interfering with the hardware.
In this article we will look in detail at how to increase RAM on Android using specialized apps, system settings and third-party utilities. It is important to understand that software expansion of RAM is, in essence, the creation of a page file or virtual memory, which is taken from the internal drive. Although this does not replace a physical memory chip, proper configuration can significantly reduce the load on the system and improve multitasking.
Before installing third-party software, you need to assess the real need for memory expansion. Often the problem lies not in the small amount of RAM, but in the incorrect operation of background processes or “garbage” in the system. We will consider both safe methods for ordinary users and advanced methods for owners of devices with root access, so that you can choose the best option for your smartphone model. Android-smartphone.
Physical limitations and myths about expanding RAM
The first thing you need to learn: programmatically increase the physical volume of the RAM chip impossible. If your phone has 4 GB LPDDR4X, no app will turn it into 8 GB at the hardware level. All “accelerators” work on the principle of redistributing resources or using part of the permanent memory (ROM) as a temporary buffer.
There is a common myth that installing any app from the “RAM Booster” category will instantly double your performance. In fact, aggressively terminating processes often has the opposite effect. The system Android is designed to keep applications in memory for quick launch. Forced clearing forces the processor to reload data, which only increases the load on the battery and processor.
⚠️ Attention: Be careful with apps that promise a “magic” increase in memory by 200-300%. Often, such applications themselves consume a significant amount of resources and display advertisements, slowing down the device even more.
Nevertheless, using part of the internal flash memory as an expansion of RAM is a completely working method, which is officially implemented by many manufacturers. This technology is known as Virtual RAM or Memory Extension. It allows the system to use free disk space to store data from minimized applications, thereby freeing up fast physical RAM for active tasks.
Be sure to back up your important data before using any memory expanders. Working with system partitions always carries a minimal risk of losing information.
Built-in memory expansion functions in modern smartphones
Modern smartphone manufacturers, such as Samsung, Xiaomi, Oppo and Vivo, have implemented the virtual memory function directly into the system shell. This is the safest and most effective method, since it is optimized specifically for this device and does not require the installation of third-party software. Typically, this option is hidden deep in the settings and requires a reboot to activate.
To find this feature, you need to go to the settings menu. The path may differ depending on the model, but most often it looks like this: go to Settings → About phone or Settings → Additional settings. Look for items named “Memory Expansion”, “Virtual RAM” or “Memory Extension”. Activating this mode allows you to add from 2 to 8 GB of virtual memory, depending on the free space on the drive.
It is worth noting that using the built-in extension has its own nuances. The read and write speed of internal memory (UFS or eMMC) is significantly lower than that of RAM. Therefore, when actively working with heavy applications, you may not notice a dramatic increase in speed, but the number of background apps unloaded from memory will definitely be reduced.
| Brand | Function name | Where to find it in the menu | Maximum expansion |
|---|---|---|---|
| Xiaomi / Redmi | Memory expansion | Settings → Additional settings | up to +7 GB |
| Samsung | RAM Plus | Settings → Device maintenance → Memory | up to +8 GB |
| Oppo / Realme | RAM expansion | Settings → About phone → RAM version | up to +7 GB |
| Vivo | Extended RAM | Settings → About phone → RAM and space | up to +8 GB |
If your device does not have such a setting in the standard menu, this does not mean that the function is not available. In some cases, it is activated automatically when there is a lack of resources, or is hidden from the user for system stability. In such situations, third-party solutions come to the rescue, but their use requires greater caution.
☑️ Checking the built-in extension
Third-party apps for creating a swap file (Swap)
For devices that do not have a built-in virtual function memory, there are specialized applications that create a swap file (swap file). The principle of their operation is similar to built-in solutions: the app reserves part of the internal memory and uses it as RAM. However, for full operation of such utilities, they often require root access, which gives full access to system partitions.
One of the most popular apps in this category is SWAP No Root (for new versions of Android) or classic ROEHSOFT RAM-Expander. These applications create a special file on the internal storage that the system begins to use when the physical RAM is full. The setup process is usually intuitive: you select the size of the swap file and press the activation button.
⚠️ Attention: Using swap files on older types of memory (eMMC) can lead to rapid wear. Constantly writing and overwriting data reduces the life of the drive, so do not set the paging file size larger than really necessary.
Without root access, the capabilities of apps are severely limited. They can only simulate memory cleaning or use special availability services to close background processes, which is less efficient than real swap. If you decide to root, be aware that this will void your device's warranty and may make some banking applications inoperable due to security breaches.
What is a SWAP file?
SWAP is a partition on the disk that is used by the operating system as virtual RAM. When the physical RAM is full, the data is swapped out to SWAP. This is slower than working with regular memory, but prevents applications from crashing.
When choosing the size of the paging file, follow the rule of the golden mean. Creating a 4-6 GB file on a phone with 64 GB of internal memory can waste space for photos and videos. The optimal value is considered to be a volume equal to 50% or 100% of the physical RAM, but no more.
Optimizing the system without installing additional apps
Sometimes no apps are needed to increase free RAM. It is enough to correctly configure the system itself Android. Hidden in the developer menu are tools that allow you to limit the number of background processes. This frees up RAM for those applications that you are using right now.
To get to the developer menu, you need to click on the build number in the section Settings → About phoneseveral times. After activation, go to the new menu item and find the “Applications” section. Here you can set a limit on the number of background processes. The default value is “Standard limit”, but it can be changed to “No more than 2 processes” or “No more than 4 processes.”
Another effective method is to disable or freeze unnecessary system applications (bloatware). Many manufacturers preinstall dozens of apps that run in the background and consume memory. Using tools like ADB (Android Debug Bridge) through your computer, you can safely uninstall these applications without Rooting them.
adb shell pm uninstall -k --user 0 app package nameThis approach requires caution: removing critical system components can lead to unstable operation of the phone. Before deleting any package, it is recommended to find information about its purpose on the Internet. If you are not sure, it is better to simply disable the application in the standard settings, rather than uninstalling it completely.
Disabling animations in the developer menu (0.5x scale or “No animation”) visually speeds up the interface and reduces the load on the GPU, indirectly saving system resources.
The impact of memory type and drive speed on performance
The effectiveness of increasing RAM using software methods directly depends on the speed of your internal drive. Modern smartphones use memory standards UFS 2.1, UFS 3.0 or UFS 3.1, which provide high read and write speeds. On such devices, virtual memory works almost unnoticed by the user.
In budget models with slower memory type eMMC 5.1, creating a large paging file can lead to the opposite effect - slowdowns and delays. The system will spend a lot of time communicating data between the slow drive and the processor. Therefore, on old or cheap devices, it is better to focus on cleaning physical RAM than on its virtual expansion.
It is also worth considering how full the internal storage is. For the paging file to work correctly, it is necessary that there is enough free space left on the disk (at least 10-15% of the total volume). If the memory is full, the system will not be able to effectively use the swap file, which will lead to freezes.
⚠️ Attention: Interfaces and names of menu items may differ depending on the version of Android and the manufacturer's shell. If you do not find the described settings, check the official instructions for your smartphone model.
Frequently asked questions (FAQ)
Is it safe to use apps to expand RAM?
Using built-in manufacturer's functions are absolutely safe. Third-party apps are safe if you understand the risks: they can speed up memory wear and require root access to function properly. Always download software from trusted sources, for example, Google Play.
Will a page file increase performance in games?
A page file helps keep more applications in the background, but does not increase the speed of the processor or graphics accelerator. In heavy games, the increase in FPS will be minimal or unnoticeable, since the speed of virtual memory is lower than physical memory.
Are root access needed to increase RAM?
To use built-in functions (RAM Plus, Extension), Root is not needed. To create a full-fledged SWAP file with third-party apps on older versions of Android, root access is often necessary, although new utilities get by without them using special permissions.
Why did the phone begin to perform worse after installing the app?
Perhaps you have allocated too much space for virtual memory on a slow drive, or the optimizer app itself consumes a lot of resources. Try disabling the function or uninstalling the application to check the changes.
Is it possible to increase RAM by inserting a memory card?
No, the memory card (MicroSD) is used only as file storage. The Android operating system cannot use it as RAM due to the low data exchange speed and architectural features.