How to Clean Up System Memory on Xiaomi: The Complete Guide

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Xiaomi smartphones are famous for their functionality and affordable cost, but even powerful processors eventually begin to “choke” due to overcrowded storage. Users often face a situation when the device starts to run slower, applications fly out or notifications of a shortage of space. System memory on Xiaomi is not only the place for your photos, but also the space for the MIUI operating system or the new HyperOS.

Why does this happen? Apps create temporary files, browser cache grows to gigabytes, and the remnants of remote programs continue to take up valuable megabytes. Cleaning up system memory is not just about removing pictures, it is a comprehensive approach to file system maintenance. In this article, we will discuss proven methods of freeing up space that will help return your gadget to its previous speed.

It should be understood that modern shells of Android require free space for the correct functioning of background processes. If the memory is filled to the full, the system can not effectively manage RAM and application cache. Critical is the state when less than 10-15% of the total internal memory is free, as this can lead to cyclical reboots.

Space analysis: What takes place

Before we start taking drastic measures, we need to understand where the free space goes. Xiaomi owners have built-in tools for analysis, but often ignore them in favor of third-party solutions. Standard diagnostics allows you to identify heavyweights among the installed applications and files.

The most voracious elements are usually messengers and social networks. Telegram, WhatsApp and VK They store every photo and video they've viewed in a cache that can take up tens of gigabytes, and they also store a lot of the system updates that are stored in reserve in case of rollbacks, and they also store a folder. Android/data, game-data.

For a detailed look, use the built-in storage menu. Go to Settings → Memory (or About Phone → Storage). Here you will see a color diagram of the data distribution. By clicking on any sector, you can get a list of files sorted by size, which will help you find forgotten movies or archives that are not useful.

Use of the standard "Security" application

The easiest and safest way to clean up your system memory on Xiaomi is to use the Security app, which is designed specifically for MIUI and HyperOS shells, so it has deep access to system partitions that are hidden from ordinary file managers.

Launch the app and click on the Cleanup button, automatically scan the device for temporary files, app install residues, and advertising debris, and the algorithm is designed to keep the important system files needed to keep the smartphone running smoothly.

However, be careful: sometimes “Security” offers to delete the cache of applications, which can lead to a flight from social media accounts.

⚠️ Note: Clearing application data through a standard tool can reset your logins in some programs.

Manual cleaning of cache and debris through settings

If the automatic tools can't handle the garbage, you need to switch to manual cleaning, which requires more concentration, but gives you better results, and you should look at the application management section of the system settings first.

Go to Settings → Apps → All apps. Sort the list by size of space occupied. Select the lead app (often a browser or social network) and click Memory. Here you will see two buttons: Clear cache and Clear everything. The first deletes temporary files, the second resets the application to the state "whatever is after installation."

• 🗑️ Cache: Temporary files that speed up downloads but can be recreated.
• 📦 Data: logins, settings, game saves (delete with caution).
• 📂 Files: Downloaded documents within the application.

Pay special attention to the system process Media Storage, which sometimes freezes and does not update the information about the free space after deleting files, in which case it helps to clean the cache of this particular system component, and be sure to check the Downloads section, which often includes APK installation files, which are no longer needed after installing programs.

Working with MIUI folders and hidden garbage

The MIUI shell creates many service folders that grow over time, and you'll need a file manager to access them, like the built-in Explorer or the more advanced Total Commander, and the main work will be done in the root directory of internal memory.

First, find the folder. MIUI. Inside it are of interest to the subfolders. debug_log (Debugging logs, often huge in size, and gallery (hidden thumbnails and edited photos). Android/data — It stores caches of games and heavy applications, and it's safe to remove the contents of folders with names of remote applications.

Another source of garbage is the tencent folder, if you use Chinese versions of apps or specific services, which can be left with hundreds of megabytes of ad images.

⚠️ Note: Do not delete entire folders with the names of installed applications unless you are sure of their contents. Delete only specific files inside, such as videos or archives.

Cleaning through Developer Mode and ADB

For advanced users who want to squeeze the most out of the system, there is a method of cleaning through debugging. USB. This way you can remove system debris that is not available even through root file managers. ADB (Android Debug Bridge).

First, activate the developer mode. To do this, quickly click seven times on the build number in the About Phone menu. Then, in the advanced settings, turn on Debugging on. USB». Connect the phone to the PC and in the computer command line enter the command to enter shell mode.

adb shell pm trim-caches 999999999

This command forcibly trims the cache of all applications to a minimum, and you can also use the command to delete temporary system files.

⚠️ Attention: Use ADB Introducing incorrect commands can lead to unstable operation of the system or loss of data.

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Use ADB wireless debugging if you don’t have a cable on hand.This feature is available in the USB Debugging menu on newer versions of Android 11 and up, allowing you to execute commands directly from your phone through the terminal.

Stringent measures: Data resetting and transfer

If the software cleaning fails and the memory fills up on its own, it may be that the file system is damaged or that the system partition is sprawling, and in such cases, the solution is to reset completely to factory settings.

Before the procedure, make sure to back up important data to the Xiaomi Cloud or your computer. Reset will delete absolutely all user data, returning the phone to the “out of the box” state, this is guaranteed to remove all software errors of garbage accumulation.

• 🔄 Make a backup of contacts and SMS.
• 📸 Save photos and videos to external media.
• 🔑 Remember or write down passwords from your Google and Mi accounts.
• 🔋 Charge the device to at least 50% before starting.

Once reset, the system will work as fast as possible. To prevent the problem from recurring, make a rule: check the storage once a month and delete unnecessary files. It is also recommended not to fill up memory more than 85-90%, as this critically affects the speed of writing and reading data with flash memory.

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Regular prevention (once every 2-3 weeks) takes 5 minutes, but eliminates the need to do a complete reset of the device and loses time to adjust again.

Frequently Asked Questions (FAQ)