Xiaomi smartphone owners often face a situation where the built-in storage becomes overcrowded and the system starts to work slower or refuses to install updates at all. The problem of space shortage is relevant even for models with a large amount of memory, as modern applications and multimedia files take up gigabytes.
The concept of “open access” can be interpreted in many ways, from the banal freeing up space for new photos to connecting a gadget to a computer to transfer files. In some cases, you need access to hidden system folders, which is impossible without activating special modes. In this article, we will discuss all aspects of internal storage management, from simple settings to advanced methods through ADB.
Mismanagement of files can result in the deletion of important data or disruption of the MIUI operating system. Before proceeding with a deep cleaning or change of system parameters, it is necessary to clearly understand what each partition of memory is responsible for, this will avoid critical errors and loss of personal information.
Analysis of internal storage occupancy
The first step to overflow is detailed diagnostics: Android and MIUI shells provide enough tools to visualize the space occupied, and users do not need to install third-party software immediately, as standard ilets often work more correctly and safely.
To start, go to the settings menu and select About Phone, which displays general information, but for a detailed analysis, go to Storage or Memory, and the system automatically scans the disk and categorizes the files into apps, images, videos, documents, etc. Data visualization helps you quickly find the "eaters" of the place.
It often turns out that the lion’s share of memory is occupied by the cache of messengers such as Telegram or WhatsApp, which for years save media files. Also, a significant amount can be occupied by the folder “Other”, the contents of which are not always clear at first glance, and this section can store the remnants of deleted applications or temporary update files.
It is important to distinguish between system and user memory. The operating system occupies a fixed amount that cannot be used to store personal data. Attempts to “free up” space in the system partition by deleting unknown files can lead to a cyclical reboot or loss of functionality of the device.
⚠️ Warning: Never delete files from system folders that you don't know the purpose of.This may compromise firmware integrity and require flashing the device.
Basic cleaning through standard tools
The safest way to free up space is to use the built-in Security app, a system tool designed by Xiaomi engineers specifically to optimize the shell, which can find duplicates, large files and unused applications.
Run the Security app and select Cleanup. The scanner will analyze the device and suggest that you delete temporary files, uninstall packet residues and cache. The process takes only a few seconds and does not require the user to have deep technical knowledge. Regular use of this feature prevents critical overflows.
For a more subtle setup, go to application management, where you can manually clear the data of specific programs, for example, if you rarely use a navigator, but it takes 2 GB in the card cache, this information can be safely deleted. However, remember that cleaning the data (not to be confused with cache) will reset the application to the “just installed” state.
- 🗑️ Cache removal allows you to free up space without losing logins and application settings.
- 📦 Uninstallation of unused software is the most effective method of quickly releasing gigabytes.
- 📸 Transferring photos to the cloud or computer reduces the load on the device’s internal memory.
☑️ Checklist for quick cleaning
Connecting to a computer to transfer files
When internal memory is severely lacking, the smartest solution is to move the archives to an external medium, which requires "opening" the file system of the smartphone to the computer, and the standard charging mode does not allow you to see files, so you need to switch the protocol.
Connect your smartphone to your PC using a serviceable USB-The default is that the device will only charge. To make the computer see the files, lower the notification curtain on the phone. USB» (Click on it and select File Transfer Mode» (MTP).
Once you select the mode, a new disk will appear in your computer explorer with the name of your model, and you can now copy, delete and move files between DCIM, MIUI, Download, and others, which is the basic open access memory for external control.
If the computer does not see the phone even after the choice of mode MTP, The problem could be in the drivers or the cable. USB-port, preferably located directly on the motherboard (back of the system unit), rather than through USB-hub.
What to do if the MTP mode is not selected?
Activation of the developer mode and debugging via USB
To get the advanced memory access that advanced users and professionals need, you need to activate the developer mode, which is a hidden menu section that allows you to manage the system at a deeper level, including working with ADB (Android Debug Bridge).
To activate the hidden menu, go to Settings → About Phone. Find the MIUI Version (or OS Version) and quickly click on it 7 times in a row. The system will tell you that you have become a developer. Then a new option will appear in the main settings menu “Additional” → “Developers”.
Inside this menu, find the USB Debug Switch and activate it. The system will give you a risk warning, OK. Now, when you connect to your computer, your phone will ask for debugging permission, which opens up direct access to the file system for specialized software.
| Parameter | Standard regimen | Developer mode |
|---|---|---|
| Access to files | Media Only (MTP) | Full access (ADB) |
| Installation of applications | Through the store/file | Direct installation (sideload) |
| Logistics | Disconnected. | A log of events is kept. |
| Security | Tall. | It requires caution. |
Using debugging allows you to execute commands that are not available in a normal interface, such as forcibly uninstalling a system application or copying a program database, but careless use of ADB commands can lead to complete loss of data without the possibility of recovery.
💡
Use high-quality cable with thick veins to transmit data. Cheap "charging only" cables will not transmit the data signal, and MTP mode will not turn on.
Working with the file system through conductors
Xiaomi’s standard Explorer (the “Conductor”) has limited functionality and does not show hidden system folders. For full memory management, it is recommended to install a third-party file manager, such as Total Commander, FX File Explorer or Material Files.
These apps may request special permissions when they first run. On Android 11 and above, access to root folders is restricted by security policies. To access the Android/data folder where the game and application caches are stored, the file manager will need a special permission, which is issued through the system window.
Third-party explorers allow you to see hidden files (those that start with a dot), analyze the size of folders as a diagram, and look for duplicates. It's a powerful tool for manually disassembling debris in memory. You can see exactly which folder has grown to giant sizes.
- 🔍 Big File Search: Size Sorting feature quickly finds forgotten videos.
- 📂 Access to hidden folders: allows you to clean logs and temporary files of the system.
- 🔒 Encrypting folders: the ability to hide personal photos and documents in a secure container.
⚠️ Note: When working with files in a folder Android/data Be careful, deleting folders with system service names (e.g. com.android.providers) will cause interface failures.
Expanding Memory with a MicroSD Card
Many Xiaomi models support memory card installation, which is the perfect way to open up more space for photos, videos and music, but current versions of Android limit the ability to install apps on the device. SD-card as system memory.
Once the card is installed, the system will suggest using it as Portable Storage or Internal Storage, the former being preferred because it allows you to transfer media files, leaving the system on a fast built-in drive. The latter option (Adoptable Storage) can slow down the smartphone if the card has a low write speed.
To transfer photos and videos by default to the camera settings, you need to select a memory card as a save location, this will automatically free up internal memory. Also, in the settings of some applications (for example, a voice recorder or downloading music offline), you can specify a save path to the memory. SD-map.
Not all memory cards are equally useful for a smartphone. For stable operation, it is recommended to use U3 or V30 speed cards. Slow cards can cause “freezes” when shooting 4K video or loading heavy pages in the browser.
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The memory card does not replace internal memory for installing heavy games and applications, but is ideal for storing media archives, unloading the main drive.