Many users are faced with a situation where the smartphone starts to work slower, applications crash, or the system takes a long time to switch between tasks. The main cause of such problems is often shortage RAM (RAM). Manufacturers of budget and mid-budget models often save on this component by installing 2 or 4 GB of memory, which today is no longer enough for heavy games and multitasking.
The good news is that getting root access to expand the memory is no longer necessary. Modern versions of Android have built-in mechanisms and third-party tools that allow you to optimize resource usage or create a virtual swap partition. In this article we will look at proven methods that will help you speed up the operation of the device turn it into a “brick” without risk.
Virtual memory and RAM expansion technology
Modern manufacturers are introducing functions similar to computer paging technology. This allows you to use part of the internal flash memory as additional RAM. For example, Samsung calls it RAM Plus, and Xiaomi calls it Memory Extension. If your smartphone was released after 2021, there is a high probability that this option is already in the system.
To activate, you need to go to the device settings. The path may vary depending on the shell, but usually it looks like this: Settings → Device maintenance → Memory or Settings → Additional settings → Memory expansion. Here you can select the amount of virtual RAM that the system will reserve for its needs.
⚠️ Attention: Using internal memory as RAM can accelerate wear on the drive. Flash memory has a limited rewrite cycle, and active work with the page file shortens the service life of the storage.
Do not allocate too much space for virtual memory. If you only have 64 GB of free space, allocating 4-6 GB of RAM may leave you running out of space for photos and apps. The optimal option is to add 2 GB to the existing volume.
Settings for developers: forced background limitation
If there is no hardware memory expansion, you can programmatically force the system to release resources more aggressively. To do this, use the menu "For developers", hidden by default. Activation occurs by repeatedly clicking on the build number in the section About phone.
After turning on the menu, find the item "Background process limit". By default, there is a standard limit, but you can select the option “No more than 2 processes” or “No background processes”. This will force Android to close applications immediately after minimizing, freeing RAM for the active task.
The option “Do not save actions” (Don't keep activities) is also useful in this menu. When enabled, the system will destroy any Activity immediately after the user leaves it. This is a radical method that guarantees the maximum amount of free RAM, but will require you to restart applications every time you switch.
☑️ Activating developer mode
Clearing the cache and optimizing system processes
The accumulated application cache takes up not only permanent storage, but also affects the speed of RAM when accessing data. Regular cleaning helps the system operate more stable. You can do this manually through Settings → Applications → Select application → Storage → Clear cache.
There are specialized utilities such as SD Maid or Files by Googlethat find and delete residual files safely way. Unlike aggressive “cleaners”, these applications do not kill system processes, but only remove digital garbage.
Another effective method is to disable or remove unused pre-installed applications (bloatware). Many manufacturers install apps that hang in the background and consume resources. Go to the list of applications, select the unnecessary one and press “Disable”. This will prevent it from being loaded into memory when the system starts.
Using booster applications without Root
Applications are available in the Google Play store that emulate the page file (swap file) without the need to obtain superuser rights. They create a special file on internal memory and try to force the system to use it as an extension of RAM. A popular solution is the application SWAP No Root.
The principle of operation of such utilities is simple: they create a file ranging in size from 512 MB to 4 GB and activate it through special accessibility services or terminal emulators. However, the effectiveness of this method greatly depends on the version of Android and the type of file system.
⚠️ Attention: Apps that promise “2x more RAM” are often a marketing ploy. Real acceleration is only possible if you have a very slow drive and the system works correctly with the page file.
Before installing such apps, check reviews and compatibility with your model. On some devices with processors MediaTek or older versions of Android, these tools work better than on fresh flagships with optimized memory.
Why does the swap file not always work?
Modern Android kernels (from versions 5.0 and higher) have strict restrictions on the use of swap partitions on internal drives without root access. Many booster applications simply simulate memory cleaning, showing beautiful graphs, but do not change the actual allocation of kernel resources.
Comparison of memory expansion methods
To choose the best method for your device, let's compare the available options in terms of efficiency and security. Not all methods are suitable for everyday use; some should be used only in emergency cases.
| Method | Efficiency | Security | Impact on wear |
|---|---|---|---|
| Built-in expansion (RAM Plus) | High | Full | Medium |
| Background processes limit | Medium | Full | None |
| SWAP Applications No Root | Low/Medium | Medium | High |
| Manual cleaning cache | Temporary | Full | Absent |
As can be seen from the table, the most reliable way is to use the manufacturer’s built-in functions. Third-party applications should be considered as a temporary measure if other options are not available. Remember that it is impossible to increase physical memory programmatically; we are only optimizing its use.
Reboot your smartphone at least once every 2-3 days. This is the easiest way to reset accumulated errors in memory management and free up resources occupied by leaks.
Typical errors and myths about increasing RAM
There are many myths circulating on the Internet about how to increase memory. One of the most dangerous tips is using commands via ADB to change system files build.prop without proper knowledge. This can lead to bootloop (cyclical reboot) and data loss.
Also, you should not believe applications that promise “CPU cooling” and “increasing RAM” with one click. Most often, they simply close processes that the system itself will launch in a minute, creating unnecessary load on the processor. optimization requires fine tuning, not a magic button.
⚠️ Attention: Settings interfaces may change with firmware updates. If you do not find the described menu item, check the official help for your model or update the software to the latest version.
Do not try to install modified kernels or custom recoveries if your goal is just to free up some memory. The risk of losing the warranty and stability of the device in this case is not justified by the potential gain of 200-300 MB of free RAM.
Physical RAM cannot be increased programmatically. All methods are aimed only at more efficient distribution of available resources or using slow flash memory as a buffer.
Frequently asked questions (FAQ)
Will installing a swap file increase the speed of games?
More likely no than yes. Flash memory is significantly slower than real RAM. In games, this can lead to micro-freezes when loading textures, since the system will access a slow drive. This solution is more suitable for keeping more applications in the background, rather than increasing FPS.
Is it safe to use applications like "RAM Expander"?
Most popular applications from Google Play are safe from viruses, but they can accelerate wear and tear on your drive. Constantly writing and reading data to the page file reduces memory resources. Use them with caution and only when there is an acute shortage of resources.
Why does the memory fill up again after clearing the memory?
This is normal Android behavior. The system strives to use all available RAM to cache frequently used applications so that they open faster. Free memory does not always mean fast work. You should only worry if the phone starts to slow down.
Is it possible to increase RAM on an old Android 6 or 7?
There are no built-in expansion functions on older versions of Android. The only option is to use third-party utilities through terminal emulators, but their effectiveness is extremely low. In such cases, it is often easier to reset to factory settings or install a lightweight version of the firmware (Custom ROM), if the model supports it.
Does the weather widget on the desktop affect RAM consumption?
Yes, active widgets, especially those that are updated in real time (weather, news, social media feed), consume RAM and battery batteries. Removing unnecessary widgets from the home screen is an easy way to lighten up the system a little without complex settings.