How to turn off internal memory on Xiaomi: methods and limitations

Many users of Xiaomi, Redmi and Poco smartphones face a critical lack of free space when the device starts to run slowly or refuses to update apps. There is a natural desire to learn how to turn off some internal memory or move data to free up precious gigabytes for the system to work. NAND-It is not possible to software a chip without the risk of turning a phone into a brick, but there are effective ways to logically hide, redistribute and clean storage.

Instead of a rough shutdown that will disrupt Android, we’ll look at safe alternatives: forcing data to move to a microSD card, cleaning up reserved system partitions, and disabling bloated pre-installed software that takes up space. Understanding the MIUI or HyperOS file system architecture will allow you to manage resources competently without losing warranty and stability.

It is important to note that standard settings do not give a “Switch off memory” button, as this contradicts the logic of the operating system. However, using developer tools and special commands, you can achieve a space-free effect comparable to the desired shutdown.

Technical limitations and myths about memory shutdown

Attempting to physically or low-level disable a portion of eMMC or UFS memory through an engineering menu often results in a bootloop (cyclic reboot).The Android system requires a certain reserved space for paging files, Dalwick/ART cache and system logs. If you force the available volume below a critical threshold, the smartphone will stop booting.

There is a common myth that you can simply “cut off” a piece of memory through a computer. ADB-In fact, without unlocked bootloader and root rights, you can't do this kind of manipulation, even with superuser rights, changing the partition table requires deep knowledge and carries high risks. It's safer to work with logical representation of data than with physical sectors.

⚠️ Note: Any manipulation of system partitions through ADB or Recovery without a full backup of data can lead to irretrievable loss of information.

Instead of risky partitioning, current versions of MIUI 12, 13, 14, and HyperOS offer softer controls that allow for redirection of data streams, which means that the system will assume that it is writing data into internal memory, but physically it will be on an external medium, which is the only safe analog for disconnecting internal memory from active use.

Using a microSD card as the primary memory

The most efficient way to unload the built-in drive is to embed the memory card into the system structure. Although Xiaomi’s native “Adoptable Storage” feature is often hidden, it can be forced to activate, allowing the system to perceive the card as an extension of the internal storage, automatically transferring applications and their data there.

To activate this feature, you'll need a computer, a USB cable, and an ADB driver installed. The process involves formatting the card into a specific format, and then it becomes an integral part of the system. If you remove the card, the applications will stop working. It's the perfect solution for models with a small amount of internal memory, for example, 32 or 64 GB.

• 📱 Connect your smartphone to your computer and turn on debugging mode USB menu "For developers».
• 💻 Launch the command line ADB and enter a command to enter the shell mode of the device.
• 💾 Use the sm list-disks command to detect your memory card ID.
• 🔧 Format the sm partition disk:ID private command, where ID — card number.

Once the command is successfully executed, the system will rewrite the data structure. In Settings → Storage, you will see that the amount of internal memory has increased significantly. Now all new applications and photos will be saved by default to the map, effectively disabling the active use of a fast but small internal chip for user data.

Cleaning the reserved system partition

A significant part of the memory is not your files, but the bloated system partition and cache of preinstalled applications. In the HyperOS shell and older versions of MIUI, the reserved space can reach 10-15 GB. Removing unnecessary system components allows you to return this space to the user.

For safe removal of system debris, it is recommended to use Universal Android Debloater or similar utility. ADB-They allow you to see packets that are hidden from the average user, and by removing them, you don't break the system if you know what the packet is responsible for, but you free up a critical place.

Special attention should be paid to Google and Xiaomi, which often store huge amounts of temporary files. Clearing the cache of these services through the app menu is a temporary measure. A radical but effective method is to completely clean up the data of the Google Play Store and Google Play Services, which will reset their database of updates and free up hundreds of megabytes.

Managing applications and cache through ADB

Advanced memory management is not possible without the use of the ADB (Android Debug Bridge) interface, which gives access to hidden packet management functions, and allows you to not only remove system applications, but also force clear the cache of specific services that are not deleted by standard means.

For example, the appendix "Gallery" in MIUI It tends to accumulate thumbnails of deleted photos. The usual cleaning of the cache may not help if the process is stalled. ADB You can execute a command to stop and clean the data:

adb shell pm clear com.miui.gallery

Similar actions can be done with instant messengers like Telegram or WhatsApp, which often take up gigabytes of space. The pm clear command completely resets the application, removing all cache and temporary files, leaving only the installation package itself. This is equivalent to reinstallation without removing the self. APK-file.

⚠️ Note: pm clear command deletes all application data, including logins and correspondence, if they are not synced with the cloud. Use only for junk applications or after creating a backup.

Table of comparison of methods of vacancy of the place

So to give you the best strategy for turning off memory, compare the methods available for their effectiveness and risk. Not all methods are suitable for daily use, some require one-time intervention.

As you can see from the table, the safest and most effective method is to combine cloud services and smart data transfer to a memory card, and high-risk methods should only be used by experienced users who understand the structure of the Linux kernel on which Android is based.

Optimization of the work of messengers and media

The main memory eaters in Xiaomi smartphones are social networks and instant messengers. Telegram, Viber and Instagram store every photo and video viewed in cache. Without regular cleaning, this cache can grow to 10-20 GB, creating the illusion of overflowing internal memory.

Each of these apps has a Data and Storage section in its settings, where you can limit the automatic download of media files only when you connect to Wi-Fi. Telegram also allows you to set a cache size limit, such as 500 MB. When the limit is reached, the application will automatically delete the oldest files, making room for new ones.

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Turn on Auto Delete in your Telegram storage settings. Set a timer for 3 days or 1 week – this will automatically clear the cache of the channels you have viewed that you have not saved to Favorites.

Also worth checking is MIUI/gallery/cloud and DCIM/.thumbnails, which often stores thumbnails of every image ever seen, and deleting the contents of the.thumbnails folder is safe, the system will create it again, but only for current photos, which will instantly free up gigabytes.

Frequent questions and additional settings

To conclude, we'll touch on the automation of cleaning processes. MIUI has a built-in Security app that allows you to set up a garbage cleanup schedule. However, it often works superficially. To get a deeper setup, you can use automation through the MacroDroid or Tasker app, setting up the script: "If less than 1 GB is free, clear the browser and social media cache."

Remember that the constant lack of memory accelerates the wear of flash memory. The memory controller has to constantly overwrite cells in order to find free space. So maintaining 15-20% of free space is not just a matter of comfort, but also a way to extend the life of your Xiaomi device.

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Constant memory occupancy by more than 90% leads to a serious slowdown of the storage controller and reduces the life of the smartphone.