What folders can be deleted on Xiaomi Redmi in the memory of the phone: safe cleaning without consequences

Why Xiaomi Redmi is running out of memory and what to do about it

Owners of Xiaomi Redmi smartphones sooner or later face a lack of internal memory, even models with 128 GB and 256 GB in a year or two of active use begin to issue warnings about overflowing storage, the reason not only photos and videos, but also system caches, residual application files, duplicates and junk folders that Android creates in the process.

Many users are trying to solve the problem radically, by dropping the phone to factory settings or removing everything from the file manager. This is a risky approach: along with the garbage, you can erase critical data, which will lead to OS malfunctions or loss of personal files. In this article, we will analyze which folders on Xiaomi Redmi can be deleted without harm, and which ones can not be touched categorically – with explanations, examples and warnings.

It is important to understand that the folder structure on Xiaomi is different from the “pure” Android. the manufacturer adds its own directories for branded services (Mi Cloud, GetApps, Mi Video), which take up space, but not always obvious to the user. We will analyze both standard Android directories and unique folders. MIUI, To ensure that cleaning is as efficient and safe as possible.

What folders can be deleted without risk to the system

Let's start with the safest one, which are directories that you can clean regularly without fear of disrupting your smartphone, and these folders contain temporary files, cache, or data that the system can recover on its own.

• 🗑️ /storage/emulated/0/Android/data/ — It stores app data (cache, settings, downloads) and removes specific application folders (e.g., com.facebook.katana for Facebook) and it will free up space, but when it starts the program next, it will recreate it. Don't delete the entire folder, only the content of unnecessary apps.
• 📁 /storage/emulated/0/Download/ — It's a standard download folder. Most of the time, it's just a bunch of unnecessary folders. APK-files, documents and archives. Check the contents before cleaning - sometimes important files are stored here.
• 🎬 /storage/emulated/0/DCIM/.thumbnails/ — So you can delete these, and they're automatically recreated when you look at media.
• 🔄 /storage/emulated/0/Android/obb/ — Additional data files for games (e.g. graphics packages) If you haven't played the game in a while, it's a game that you can play. OBB-You can delete files, but remember, the next time you run, you're going to have to download the game again.

The folder deserves special attention. /storage/emulated/0/MIUI/ — Xiaomi stores data for its services. It can be cleaned safely inside:

• 📂 MIUI/bugreport/ — Error reports (unless you send them in support).
• 📊 MIUI/extra/ — temporary files for system utilities.
• 🖼️ MIUI/gallery/cloud/ — Cloud Photo Cache (unless you use Mi Cloud).

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Before mass deletion of folders, check their contents through a file manager sorted by date. Files older than 6 months are likely not needed.

Folders that can be partially deleted (with caution)

Some directories contain both important and unnecessary data, which can be cleaned, but only selectively so as not to disrupt the system or applications.

Be very careful with the folder. /storage/emulated/0/MIUI/backup/. Backups are stored here. MIUI, including:

• 📱 Backup copies of applications (AllBackup/).
• 🔧 System settings (SystemBackup/).
• 📞 Call logs and SMS (SmsBackup/).

You can only delete them if you're sure they won't be needed to recover data, like if you've recently made a fresh backup on Mi Cloud or on a PC.

Which folders cannot be deleted (and why)

Some directories are critical to the job MIUI Deleting them can lead to loss of functionality, permanent errors, or even “bricking” of the device (when the phone stops turning on:

• ⚠️ /system/ — Any changes here require root rights and can make the phone inoperable.
• ⚠️ /data/ — It contains user data and application settings, and it will cause the phone to reset.
• ⚠️ /storage/emulated/0/MIUI/dex/ — Optimized files for quick operation MIUI. Removing them will cause lags and reboots.
• ⚠️ /storage/emulated/0/Android/ (root folder – deleting the entire application will disrupt the operation of all applications.
• ⚠️ /storage/emulated/0/MIUI/theme/ — Deletion can reset the interface to a standard theme.

⚠️ Attention: Folder /storage/emulated/0/MIUI/debug_log/ It contains system logs that you might need to diagnose a crash. If you've been contacting Xiaomi for support, don't delete it without a specialist's name.

Separate warning for users who see the folder /data/app/ (It's usually hidden without root rights, and it stores the installed applications in the form of APK-Deleting any folder from this directory will cause the program to disappear from the system, and it will only be possible to restore it through re-installation.

If you use Xiaomi Redmi with an unlocked bootloader or custom firmware, be especially careful with folders:

• 🔓 /vendor/ — Drivers and binary files for iron.
• 🔓 /persist/ — linkage (IMEI, MAC-address).
• 🔓 /firmware/ — firmware for modules (camera, Wi-Fi, Bluetooth).

Damage to these directories can make the phone unusable without flashing through Fastboot.

How to remove folders correctly: step-by-step instructions

To keep your memory clean, follow this algorithm, which is suitable for all Xiaomi Redmi models (from Redmi Note 8 to Redmi 13 Pro) and minimizes the risks.

Make a backup copy of important data (photos, contacts, documents)|Check the free space in the settings (Settings) → Storage)|Use a file manager with access permissions (e.g. Mi File Manager or Solid Explorer)|Sort files by date and size to find the most voluminous|Do not delete folders with unknown extensions (.db,.odex,.so)|After cleaning, restart your phone and check it.-->

Step 1: Accessing files

Use the standard Mi File Manager (pre-installed on all Redmis) or a third-party manager (e.g., a new one, FX File Explorer to see hidden folders:

1. Open the file manager.
2. Tap on three points (menu) → Settings → Show hidden files.
3. Enable the option of Show system files (if any).

Step 2. Folder analysis

Before removal:

• 🔍 Check the folder size (long press). → If it takes less than 10 MB, cleaning will not have a noticeable effect.
• 📅 Sort files by date of change. Delete the oldest ones first.
• 📌 Note the extensions:.tmp,.log,.bak – usually garbage.

Step 3: Removal

Select unnecessary files or folders and press Delete. If the manager requests confirmation for system files, cancel the action.

• 🗃️ Use Move to Trash instead of Delete Fully (in case of error).
• 🔄 After cleaning, restart your phone and check the key functions (calls, internet, camera).

Step 4: Additional cleaning

After manual deletion of folders:

1. Launch Settings → Storage → Cleaner and perform optimization.
2. Clear the app cache in Settings → Apps → Manage apps → Clear cache.
3. Remove unused apps through Settings → Apps → Uninstall.

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Never use commands like rm. -rf / Or deep cleaning apps without understanding the consequences. At Xiaomi, that often leads to a loss of life. IMEI or inability to load the system.

Automatic tools for cleaning memory on Xiaomi

If manual cleaning seems difficult, use built-in or third-party tools, which are safer because they don't affect system files.

1. Built-in cleaner MIUI

Go to the Settings → Storage → Cleaner. Options are available here:

• 🧹 Junk files – removes cache and temporary files.
• 📂 Large files – shows the largest files (video, APK).
• 📎 Duplicate files – looking for duplicate photos and documents.

Advantage: It doesn't require manual folder search, disadvantage: it doesn't clean deep system directories.

2. Files by Google application

Google’s tool analyzes memory and suggests:

• 📹 Delete old videos and screenshots.
• 📁 Cleaning Uploads from Unnecessary Files.
• 🗃️ Archiving of rarely used photographs.

You can download it from Google Play (free, no ads on Xiaomi).

3. SD Maid (for experienced users)

Powerful tool for deep cleaning, but requires caution.

• 🔍 Search for “dead” folders (remnants of remote applications).
• 🗑️ Cleaning databases and cache of system applications.
• 📊 Analysis of space by category.

⚠️ Attention: B SD Maid disable System Cleaner if you don't understand the structure of Android. MIUI.

CCleaner (with reservations)

A popular app, but Xiaomi is not stable.

• ✅ Use Storage Analyzer to search for large files.
• ❌ Don’t run Junk Cleaner – it often deletes the files you want MIUI.
• ⚠️ Before using, create a backup in Settings → Additional settings → Backup & reset.

What to do if your memory ends too quickly

If even after cleaning folders, the free space on Xiaomi Redmi quickly dries up, the problem may be:

1. Background processes – some applications (such as Facebook or TikTok) constantly write data to memory.
2. Viruses or miners – malware can create hidden files.
3. Failures of the file system – for example, after incorrect extraction SD-map.
4. Updates MIUI — Newer versions of firmware sometimes take up more space.

Decisions:

• 🛡️ Check your phone for viruses (Malwarebytes or Dr.Web).
• 📵 Limit the background activity of apps in Settings → Battery & performance → Manage apps' battery usage.
• 🔄 Format. SD-Card (if used) via Settings → Storage → SD card → Format.
• 📲 Reset the section cache settings /data via Recovery (Wipe) → Wipe Cache).

If the problem persists, check the actual memory state through the ADB:

adb shell df -h

This command will show how much space is occupied in each section. /data filled 90%, a you haven’t installed many applications, this is a sign of a system failure – you need to reset or flash the software.

FAQ: Frequent questions about memory cleanup on Xiaomi Redmi