Xiaomi’s smartphones are famous for their availability and functionality, but over time, even powerful devices start to work slower. Often the reason lies not in the hardware, but in crowded memory, accumulated app cache and system debris. If your Redmi or Poco started to slow down, freeze or issue notifications about space shortages, it’s time to conduct a deep cleanup.
In this article, we’ll look at all the effective ways to free up space, from built-in MIUI utilities to manually deleting system files through your computer. You’ll learn how to safely delete unnecessary data without disrupting the Android operating system. Proper cleaning will not only restore the previous speed, but also prolong the life of the drive.
Many users make the mistake of only removing app shortcuts, forgetting their residual files. We will look at a comprehensive approach that will affect hidden folders, browser cache and duplicate photos. Before starting procedures, it is recommended to back up important data in case of unforeseen circumstances.
Analysis of occupied space and built-in cleaner
The first step is always diagnostics. The MIUI shell or the new HyperOS already has a powerful memory monitoring tool that allows you to quickly assess what is taking up gigabytes on your device, and don't ignore this step, because it gives you an idea of the scale of the problem.
To start the analysis, go to the Security → Cleanup menu. The system will automatically scan the device and prompt you to delete temporary files. However, automatic mode often misses large files or duplicates, so manual control is necessary.
The standard utility is safe to use, but it doesn't always see the cache of messengers like Telegram or WhatsApp, because they're considered user data. So after you clean it automatically, you should check the storage manually through the settings, which will help identify memory-eating apps.
It's important to understand the difference between cache and app data. Cache is temporary information for quick downloads that can be deleted without consequences. Data is your correspondence, settings and saves in games. When cleared through the standard menu, you usually delete only the cache, which is a safe procedure.
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Automatic cleaning removes only temporary debris, but does not affect heavy messaging files and personal archives.
Clearing the cache and data messengers
The most voracious apps on any Android smartphone are messengers. Telegram, WhatsApp and Viber have a habit of storing all the photos and videos viewed in the memory of the device, and over time these folders can grow to tens of gigabytes, significantly slowing down the phone.
Unlike system cleaning, you have to do a point-by-point thing, go to the settings of a particular application and find Memory Use. Telegram, for example, has a great automatic cache cleaner that you can activate, so you can make room without losing any correspondence.
⚠️ Note: When you clean the application’s data (not cache), you will lose your entire correspondence history and authorization. Make sure you don’t need this data, or back up before action.
For manual cleaning, go to Settings → Applications → All apps. Find the right messenger, click Memory and select Clear Cache. If you want to delete media files but leave correspondence, you better do it through the internal menu of the messenger itself in the Data and Memory section.
- 📱 Open the Telegram settings and go to Data and Memory» → «Use of memory».
- 🗑️ Click “Clear Telegram cache” and set a timer for auto-cleaning (e.g., 3 days).
- 📸 On WhatsApp, go to “Settings» → «Data and storage» → «Storage management».
- 🧹 Delete files larger than 5MB or those that have been sent multiple times.
Regularly checking these sections will help keep your phone clean, many users forget that the videos you send stay in the chat room and take up space with both people, and periodic revision of media files is the best prevention of memory loss.
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Enable the ban on auto-save media in the gallery in the messenger settings. This will prevent duplicate files in the DCIM system folder.
Removal of system debris and residual files
When apps are removed, the system often has tails — empty folders, error logs, and temporary installer files — that can accumulate for months on Xiaomi, and that can be found using built-in Explorer or third-party utilities, but the manual method is more reliable.
Open the Explorer app and look at folders with names of remote games or programs. Often, directories with names like com.game.name or just Temp remain at the root of internal memory.
You should pay special attention to the Download folder. Browsers and apps often drop installations there. APK-files that become useless garbage when installed. Also check your Bluetooth folder if you've ever transferred files over the air.
Which folders cannot be manually deleted?
To clean it up, you can use the "Delete Applications" mode in the settings, which shows the weight of the application along with the data. If you see a program that hasn't been used for six months and it takes 2 GB, this is a candidate for removal. Don't store "just in case" heavy applications.
| Type of file | Where to find | Security of removal | Recommended method |
|---|---|---|---|
| Cash app. | Settings → Applications | Safe. | Through the app menu |
| Downloaded APKs | Download folder | Safe. | Manually through the Conductor |
| Logs of the system | MIUI/log folder | Safe. | Built-in cleaning |
| Thematic files | MIUI/theme folder | Careful. | Only old subjects. |
Using third-party cleaners from the Play Market on modern versions of Android is often inefficient, restricting access to deep partitions for the sake of security, and spending 10 minutes manually parsing folders rather than trusting dubious ad algorithms.
Work with gallery and cloud storage
Photos and video are the main enemy of free memory. Modern cameras shoot in high resolution, and one minute video in 4K can weigh hundreds of megabytes. Regularly transferring media files to a computer or to the cloud is a mandatory procedure for the owner of Xiaomi.
The built-in Gallery app has a duplicate and similar image search feature that allows you to quickly select the best photo from the series and delete the rest, and check out the album "Recently Deleted", which stores files for 30 days and continues to occupy space.
Using cloud services like Google Photos or Yandex Drive, you can free up space on your device with a single button. Google Photos' Free Space feature removes photos from your phone that are already uploaded to the cloud, which is the best way to store your archive.
⚠️ Warning: Before using the "Free Place" function, make sure that the sync is complete. Check the cloud from your computer to avoid losing important frames forever.
Remember screenshots. We often take screenshots to communicate with the bank or save the address, and then forget about them. Screenshots folder is usually littered with unnecessary visual noise that can be easily deleted.
☑️ Multimedia testing
Using a computer for deep cleaning
When built-in methods fail to free up space, a computer comes to the rescue, and by connecting your phone over USB in File Transfer mode, you get access to the entire file system, and this allows you to see the real volume of folders that doesn't always show correctly in the phone interface.
You can use tools like WinDirStat or TreeSize Free to analyze a disk on a PC, and they build a visual memory card that shows the heaviest files, and you'll see that, for example, a folder with a cache of a card or an offline navigator takes 5 GB.
adb shell pm list packages -fThis team is in the console. ADB (Android Debug Bridge allows you to list all packages with paths to their APK-It's a tool for advanced users to find system applications that take up a lot of space and decide whether to delete or freeze them.
When you're working through a computer, it's convenient to sort files by date. Often, messenger folders contain files that are three years old that you don't need, and deleting them through a Windows file manager is much faster and more convenient than pointing a finger at a smartphone screen.
- 💻 Connect the phone with a cable USB 3.0 for high transmission speed.
- 📂 Open the root folder of the internal drive on the PC.
- 🔍 Sort folders by size to find heavyweights».
- 🗑️ Remove unnecessary video archives and old WhatsApp backups.
It's important not to delete system files, even if they seem superfluous. If you don't know the purpose of the file, you'd better leave it. An error can cause the phone to stop seeing. SIM-card-to-map.
Resetting settings as a radical method
If the phone is so full that no menus open, or the system is critically unstable, the last option is a complete reset, which will return the device to factory status by removing all user data, applications and settings.
Make sure to make a full backup before the procedure. On Xiaomi, this can be done through Settings. → The phone. → Reservation and recovery. Save backup on SD-card or computer, as the internal memory will be formatted when reset.
To perform the reset, go to Settings → Advanced Settings → Reset and Reset → Reset. Select “Erase all data.” The process will take 5 to 15 minutes, after which the phone will turn on as new, requiring initial setup.
⚠️ Warning: Make sure the battery is at least 50%. interruption of the reset process due to discharge can damage the bootloader and not be able to turn on the phone.
After a reset, take your time to restore all applications at once, install only the essentials and watch the memory fill, and often this method works wonders by removing years of accumulated system debris that can't be manually cleaned.
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A complete reset is a “nuclear” option that is guaranteed to solve memory problems, but requires careful backup preparation.