The smartphone Xiaomi Redmi 9A has established itself as an affordable device, but its modest hardware characteristics require a careful approach to resource management. Owners often experience interface slowdowns, long application launch times, or sudden reboots, which is directly related to a lack of free RAM. The Android operating system in conjunction with the shell MIUI consumes a significant part of the available resources to ensure stability, but an excess of background processes can critically reduce performance.
Cleaning RAM is not just deleting files, but a comprehensive process of managing running applications and system services. Unlike internal memory, which stores photos and apps, RAM works with the data the processor is using right now. If you notice that your phone slows or applications crash immediately after launch, it means that the system does not have enough space for temporary calculations.
In this guide, we will look at safe and effective methods for freeing up RAM, from built-in tools to advanced developer settings. Correct configuration of the device will extend the life of its comfortable operation without the need to purchase a new model. It is important to understand that full memory is a normal situation for Android, but a constant lack of free space requires user intervention.
Analysis of the current memory state through settings
The first step in optimizing operation Redmi 9A should be diagnostics. Before you start cleaning, you need to understand which applications are consuming the most resources. The Android system provides built-in monitoring tools that are often ignored by users, although they provide the most accurate picture of what is happening.
To access statistics, go to the menu Settings → About phone. Here you need to find the line with the version MIUI and quickly click on it 7-10 times until the message “You have become a developer” appears. After this, a new item will appear in the main settings menu Advanced → For developers. This section contains a key tool - Memorywhich shows the distribution of resources in real time.
Why do you need a menu developer?
The developer menu contains hidden system settings that allow you to control Android behavior at a deep level. Enable it only if you understand what a particular parameter is responsible for, since incorrect settings can lead to unstable system operation.
In the memory statistics section you will see a graph of RAM usage for the last 3, 6 or 12 hours. Pay attention to the apps at the top of the list. Often these are not only apps you run, but also services Google Play or system shell processes. If an application consumes a disproportionate amount of memory relative to its functions, it is worth checking for updates or reinstalling it.
Use the Statistics widget on your desktop to constantly monitor RAM usage. This will help you notice abnormal behavior of the system in time before the phone starts to slow down.
Using the built-in Security application
The simplest and safest cleaning method for the average user is the standard application Security, preinstalled on all smartphones Xiaomi. It is integrated deeply into the system and has the rights to forcefully terminate processes that are not available to third-party utilities from the store. Google Play.
Launch the application and select Cleanup. The system will scan and offer to delete the cache and end background processes. However, for deeper work, click on the button Acceleration (rocket icon) in the main menu of the application. This displays the current percentage of RAM usage and a list of active applications.
- 🚀 Click the Clean button to instantly end background tasks and free up maximum RAM.
- ⚙️ Go to acceleration settings to add important applications to "Exceptions" and prevent them from being closed.
- 🧹 Turn on the "Auto Cleanup" function so that the system regularly frees memory without your participation.
It is worth noting that aggressive cleaning may have the opposite effect. If you constantly close apps you need, the system will have to reload them into memory the next time you start them, which wastes battery power and CPU time. Therefore, set up automatic cleaning so that it does not affect frequently used apps.
Manual control of applications and background processes
Automatic systems do not always cope with “heavy” applications that can masquerade as system processes or constantly hang in the background. Manual control allows you to specifically disable unnecessary services that consume resources Redmi 9A without the knowledge of the owner.
Go to Settings → Applications → All applications. Sort the list by memory usage, or simply view your installed apps. Find apps that you rarely use, but that require constant permissions and run in the background (for example, stores, news aggregators, games). For each such application, open and select Settings → Applications → All apps Stop.
⚠️ Attention: Do not stop system applications with names containing “System”, “Google”, “MIUI” or “Android” if you are not sure about them destination. Forcing critical services to stop may result in your phone rebooting or loss of connection.
For social networks such as Telegram, Viber or WhatsAppyou can limit background activity. In the application settings, find the section Battery or Energy saving and select the mode No restrictions only for those instant messengers where instant message delivery is important. For the rest, set a limit on background activity, which will significantly reduce the load on RAM.
☑️ Check background applications
Optimization through developer mode
For owners Xiaomi Redmi 9A with a small amount of RAM, developer mode provides access to hidden system control levers. Here you can limit the number of background processes, which is a radical but very effective method of combating resource shortages.
In the menu For developers find the “Applications” section. Find the item Background process limit. By default, there is “Standard limit”, which allows the system to decide how many applications to keep in memory. Change the value to “No more than 2 processes” or “No more than 4 processes.”
Also in this section it is useful to disable or reduce the animation scale. Find the items “Window animation scale”, “Transition animation scale” and “Animation duration”. Set the value 0.5x or Off. This will not clear the memory directly, but will visually speed up the interface, reducing the load on the GPU.
| Parameter | Standard value | Recommended for Redmi 9A | Effect |
|---|---|---|---|
| Process limit | Standard | No more than 2-3 | Frees up to 30% of RAM |
| Animation windows | 1x | 0.5x or Off | Visual acceleration |
| Background activity | Allowed | Limited | Reduces consumption batteries |
Changing the background process limit is the most effective way to make a budget smartphone work faster, but it can lead to more frequent restarts of applications.
Third-party cleaning utilities: benefit or harm?
In the store Google Play there are thousands cleaning applications that promise optimization miracles. Popular names like Clean Master, CCleaner or Files by Google are familiar to many. However, on modern versions of Android their effectiveness is often exaggerated, and sometimes they can even be harmful.
The main problem with third-party cleaners is that they work on top of the system, without having the same deep access as built-in tools MIUI. They can clear the cache, but cannot effectively manage the priorities of kernel processes. Moreover, such applications themselves often consume a significant portion of RAM and battery power while running in the background.
- 📉 Third-party cleaners create the illusion of speedup by simply restarting applications, which the system will immediately open again.
- 🔋 Many of them contain intrusive advertising and collect user data.
- ✅ The only exception is Files by Google, which is useful for cleaning junk files, but not for managing RAM.
If you still decide to use third-party software, choose only proven solutions from well-known vendors. Avoid installing “accelerators” with dubious ratings that promise a 200% increase in memory or cooling the processor - this is technically impossible and is a marketing ploy.
Prevention and maintenance of the system
Regular maintenance is more important than one-time cleanings. In order Xiaomi Redmi 9A to work stably, you need to develop the habit of monitoring the state of the system. Preventative measures will help to avoid critical memory filling and related problems.
First of all, keep an eye on system updates. In the menu Settings → About phone check for new versions MIUI. Updates often contain memory leak fixes and RAM optimizations. Also regularly delete applications that you no longer use - even if they are not running, their components can be activated by the system.
⚠️ Attention: The interface and names of menu items may differ depending on the version of MIUI (Global, China, Russia) and the version of Android. If you do not find the described item, use the settings search (magnifying glass icon at the top of the settings screen).
Another important aspect is rebooting the device. Many users do not turn off their smartphones for months, using only sleep mode. It is recommended to perform a hard reset at least once a week. This clears the system cache, clears driver errors and frees stuck processes.
Why does the phone slow down after an update?
After a major update to the Android or MIUI system, you may experience a temporary decrease in performance. The system indexes files and optimizes applications in the background. This usually goes away after 1-2 days of active use.
Frequently asked questions (FAQ)
Why does the memory fill up again after cleaning?
This is normal Android behavior. The system pre-loads frequently used applications into RAM for quick launch. Empty RAM is wasted memory. You should only worry if the phone starts to slow down or applications crash.
Is it possible to increase the RAM on the Redmi 9A using software?
You cannot physically increase the RAM. However, the Memory Extension function, available in new versions of MIUI, allows you to use part of the internal memory as virtual RAM. This can help, but it is slower than real RAM.
Is it harmful to keep many applications closed all the time?
Yes, it can be more harmful than good. Running apps all the time uses up more CPU and battery power than keeping them running in the background. Close only those apps that have frozen or are not working correctly.
How to find out which application is eating up memory the most?
Go to Settings → Advanced → For developers → Memory. There will be a detailed list of all processes, sorted by the amount of RAM consumed over the last 3, 6 or 12 hours.