Xiaomi and Redmi smartphone owners often face a lack of built-in storage, especially in low-end and mid-range models. MIUI defaults to fill the memory, and after a while, notifications about the lack of space begin to annoy. One solution is to use an external drive, but standard Android methods here do not work as many users would like.
In modern versions of the shell, developers have limited the ability to directly install software on an external medium for the sake of security and stability, but there are proven ways to circumvent these restrictions and free up precious gigabytes. In this article, we will discuss in detail how to properly configure SD-The card so that it works as a full extension of the internal memory of your device.
Before we take action, we need to understand the technical limitations. Since Android 6.0, Google has introduced Adoptable Storage, but manufacturers like Xiaomi often hide it in the standard menu, which means that simply installing an app through the Play Market may not offer a choice of save location without first preparing the system.
Preparation of memory card and smartphone for work
The first step is to choose a quality media. As a system partition, you need fast read and write speeds; cheap Class 10 cards can cause applications to launch slowly and the system to slow down; and it is recommended to use UHS-I or UHS-II models from proven brands like SanDisk or Samsung.
Once you have the card installed in the slot, the smartphone will suggest formatting it, and at this point it is important to choose the right formatting type. If you choose Portable Storage, the card will only be available for photos, videos and music. To transfer programs there, you need to select the option “Internal Storage” (if available on your menu).
- 📱 Make sure your smartphone is at least 50% charged before formatting.
- 💾 Copy all important data from the map to the computer, as formatting will remove all content.
- 🔒 Remove the card only after all system processes are completed to avoid file system errors.
The formatting process can take anywhere from a few minutes to an hour, depending on the volume of the media, which cannot be interrupted categorically, otherwise there is a risk of damaging the card controller, and once completed, the system will rewrite the partition structure, making the data unreadable for other devices without re-formatting.
⚠️ Warning: Once the card is formatted as internal memory, it will be encrypted and linked specifically to this smartphone, and you can't insert it into another phone and open the files without resetting it.
If the standard menu doesn’t offer the right options, the manufacturer may have blocked this feature for your model, which would require the use of special utilities or activation of hidden functions through the computer, which we will discuss in the next sections.
Standard method of transfer through Android settings
Some versions of MIUI firmware and global Android builds still allow individual applications to be moved through the standard menu, which does not require root rights, but does not work with all programs, and software developers decide whether to allow the transfer of their product to an external medium.
First, you have to go to the device settings, and the path is usually: Settings → Applications → All applications, and you have to find a heavy program that takes up a lot of space, like a social network or a navigator, and if you can move it, the system will change the storage location.
However, it is often the case that the Move button is inactive or absent, which means that the application does not support external storage as intended by the developer, in such cases, standard methods will not be possible to do, and you will have to resort to more complex manipulations of the system.
☑️ Verification of portability
And it's worth noting that even if you successfully transfer some of the application's data, it's still in internal memory, and it's the system files and cache that you need to run quickly, so you can't completely free the built-in drive, but you can save a few gigabytes.
Use of hidden MIUI functions through ADB
When standard methods don’t work, a debugging tool comes to the rescue. ADB (Android Debug Bridge, which allows you to activate the hidden “Force Allow Apps on External” feature, which forcibly allows you to transfer almost any application. USB-cable.
First, activate the developer mode on your smartphone. To do this, go to Settings → About Phone and quickly click on the MIUI version seven times. After the message “You became a developer”, a new option will appear in the settings menu “Additional” or “Extended settings”, where you need to turn on “Debugging over USB”.
adb shell pm setInstallLocation 2This command translates the default setup to an external drive, but to work properly, you often need to change specific settings through the command line: connect your phone to your PC, launch your ADB console, and type a command to change global storage settings.
- 🖥️ Download the platform-tools from the official Android website to work with ADB.
- 🔌 Install drivers for your device so that your computer recognizes it.
- ⚙️ Enter adb shell settings put global adoptable_storage_mode 1 activate.
Once the instructions are executed, the device needs to restart, and now when installing new applications, the system can suggest choosing a save location, and for already installed programs, the path will remain the same: through the application management menu, where the transfer button should now be active.
⚠️ Attention: Use ADB-Incorrectly entering parameters can lead to unstable system operation or cyclic reboot.
What if your computer can’t see your phone in ADB mode?
Use of third-party utilities for memory management
There's a category of applications that help you manage files and move data without complex commands, and one of the popular solutions is the App2SD utility or analogues like Files by Google, which don't require root rights for basic analysis, but they can request advanced permissions for deep porting.
These programs scan the device and show which applications take up the most space, and they can move the cache and some data to the memory card, creating symbolic links, which allows the system to "think" that the files are inside, even though they are physically lying on the memory card. SD-map.
It is important to understand that the effectiveness of these utilities depends on the version of Android. On new versions (Android 10 and above), access to system folders is very limited, so the functionality of programs can be reduced.
Some users use launchers that can transfer their components to an external medium, which is partly offloading the system, but it doesn't solve the problem globally, and combining cleaners and manual transfers is the best thing.
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Use a memory card only to store media files and lightweight applications. Heavy games and system services are best left in internal memory for performance.
Comparison of data storage methods on Xiaomi
The choice of memory management strategy depends on your needs. Below is a table that will help you determine the best use case. SD-Maps on Redmi and Poco devices.
| Parameter | Portable storage | Internal storage (Adoptable) | Hybrid mode |
|---|---|---|---|
| Speed of operation | High for the media. | Medium (depending on the map) | Depends on the settings. |
| Portability of applications | Limited. | Full access | Partial |
| Security of data | Available on PC | Encrypted. | Partially hidden |
| Risk of data loss | Low. | High when card fails | Medium. |
As you can see from the table, formatting for internal storage gives you maximum freedom, but reduces the mobility of the card. If you often change phones or use the same card in different devices (camera, voice recorder), it is better to leave the standard mode and use cloud services.
A hybrid approach, where the map is used primarily for photos and videos and applications are ported selectively, is a middle ground, which keeps the system running fast and allows you to store large amounts of content without buying an expensive smartphone.
Possible problems and solutions
It can be difficult to use, and users often complain that applications stop working or disappear from the menu after they are moved, which may be due to damage to the card's file system or poor quality of the drive itself.
Another common problem is slow interfaces, so if a memory card has a low random read speed (IOPS), it will take longer to open applications, so you should go back to storing programs in internal memory.
- 🔄 Try reformatting the card to an exFAT file system to support large files.
- 🧹 Regularly clean the cache of transferred applications through settings.
- 📉 Watch the temperature of the device, as active work with the card can cause heating.
If the application crashes immediately after launch, try to delete updates or clear the data. In some cases, reinstalling the program after the card has been identified by the system as a primary or secondary drive helps.
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The quality of the memory card directly affects the stability of the smartphone, and the savings on this component can lead to data loss and system brakes.