Owners of budget and mid-budget smartphones often face a lack of built-in storage, especially when actively installing modern applications and games. Xiaomi Redmi 9T model, equipped with a Snapdragon 662 processor, offers excellent performance for their money, but the amount of internal memory in the basic versions can quickly run out. Android operating system, since version 11, has significantly limited the ability to transfer programs to an external drive, which creates the illusion of inability to solve the problem.
However, there are proven methods to bypass these limitations and use the microSD card not only as file storage, but also as an extension of system memory. In this article, we will discuss in detail how to transfer applications to the Xiaomi Redmi 9T memory card using both standard MIUI shell features and more advanced tools like ADB.
Before you start active, you need to prepare the memory card itself. The speed of reading and writing external drive directly affects the performance of portable applications. Using a slow card of a C10 class or lower can lead to noticeable delays when starting programs, so for Redmi 9T it is recommended to use UHS-I drives with high write speed.
Preparation of memory card and storage configuration
The first step is to properly install and format a memory card in a smartphone slot. Xiaomi Redmi 9T supports cards up to 512 GB, which allows you to significantly expand the available space. It is important to understand that standard formatting makes the card available only for storing media files, documents and photos, but does not allow you to install applications on it.
To change the mode of operation, you need to format the card as an internal storage, which completely cleans the drive, so save all the important data in advance on your computer or in the cloud. Once you install the card in the slot, the system will suggest you choose the use case: Portable storage or Internal storage.
- 📱 Select the item “Internal Storage” in the dialog window that appears.
- ⚙️ Confirm the formatting by agreeing to the data deletion warning.
- 🔄 Wait for the optimization process to be completed, which can take a few minutes.
After the formatting is complete, the Android system will combine the built-in memory space and SD-But even after that, many applications continue to be installed in internal memory by default, and this process requires additional actions through the developer menu or command line.
⚠️ Warning: Once the card is formatted as internal memory, it is encrypted and linked to a particular device, and you can't just insert it into another phone or computer and read the data without re-formatting it.
Activation of the developer mode on Redmi 9T
To get the extended memory management rights, you need to activate the hidden developer menu. MIUI, which is installed on Xiaomi Redmi 9T, This process has its own characteristics and requires confirmation through SIM-Mi card or account is a security measure implemented by the manufacturer to protect user data.
Go to the Settings menu → About the phone and find the line "Version" MIUI». You need to press this line quickly. 7-10 Once in a row, until the notice "You became a developer" appears. If the system requires login, log in. Then a new item will appear in the "Additional" section "For developers».
Inside the developer menu, we are interested in the option “Do not turn off the screen” or settings. USB-It's debugging, but for our main goal, which is to migrate applications, it's more important to set the default settings correctly. MIUI allow you to force the installation of applications on an external medium, although this function is often hidden.
What to do if the developer menu does not appear?
Using ADB for Forced Transfer
The most effective method, working even on newer versions of Android, is to use the Android debugging bridge (ADB). This tool allows you to send commands directly to the operating system, bypassing the limitations of the user interface. USB-cable.
First, you need to install drivers. ADB computer-on USB-Debugging in the developer menu on your smartphone. 9T To the PC cable and allow debugging on the phone screen. Then open the command line on the computer in the folder with ADB Enter the command to check the connection: adb devices.
adb shell pm set-install-location 2This command changes the priority of installing applications on external storage (SD-A value of 0 means automatic selection by the system, 1 means internal memory, 2 means external memory. Once the command is executed, the new applications will try to install on the map by default.
- 💻 Download Platform Tools from Google’s official website for your OS.
- 🔌 Connect the phone in the mode "File transfer" or "Charging».
- ✅ Confirm the debugging request for USB smartphone-screen.
It is worth noting that this command does not automatically transfer already installed applications; it only sets the default vector for new downloads from Google Play. To transfer existing programs, you will need to use third-party utilities or manually transfer through the settings of each application, if this is possible, if the developer provides this.
💡
Use the original. USB-cable supplied with Xiaomi Redmi 9T. Cheap charging cables often don’t support data transfer, leading to connection errors. ADB.
Transferring existing applications through settings
Not all applications support porting to a memory card, as the developer makes the decision, but many games and utilities allow you to move some of your data (cache, resources) to an external drive, freeing up valuable internal space, and you can check this ability in the standard settings menu.
Go to the Settings path → Annexes → All applications. Select the desired program from the list. If portability is possible, the "Change" or "Move to" button will be active in the application menu. SD-If the button is gray or missing, then the developer has banned the transfer, and it is almost impossible to get around this without root rights.
| Type of application | Possibility of transfer | Recommendation |
|---|---|---|
| System services | Impossible. | Don't touch it. |
| Social media | Partially. | Transfer media files |
| Hard games | Tall. | Be sure to carry the cache |
| Banking applications | Impossible. | Keep it in mind. |
When transferring large amounts of data, such as card cache or messengers, the process can take a long time, at which point it is not recommended to remove the memory card or restart the device so as not to damage the application database. After the transfer is complete, the application icon will remain on the desktop, but the files will be physically located on the desktop. SD-map.
⚠️ Note: When transferring messengers (WhatsApp, Telegram), make sure that the backup is made. In some cases, when moving, the paths to media files may be lost, and the images in the chats will stop showing.
☑️ Pre-transfer check
Working with cache and multimedia files
Liberating a place is not just about moving yourself. APK-App files, but also good data management. Modern programs, especially social networks and navigators, can take up gigabytes of space cache. 9T You can manually redirect the save paths for some file types.
For example, on Telegram or WhatsApp, you can change the folder of downloading media files, go to the settings of the application itself, find the section "Data and storage" and specify the path to the memory card, this automatically saves all new photos and videos to an external medium without taking up internal memory.
For navigation applications such as Yandex.Navigator or Google Maps, offline maps are also available to download; by default, they are downloaded to internal memory. You can change this in the navigation settings by selecting "Save maps to the internal memory". SD-This is especially true if you're planning a trip and you need maps of entire regions.
💡
Cache and media transfers are often more effective than the transfer of the application itself, as data accounts for up to 90% of the volume of modern programs.
Possible problems and ways to solve them
There can be some difficulties in running a smartphone with portable applications, the most common being slowdown, and if the memory card has a low write speed or damaged sectors, the applications will take longer to load and in some cases may be out.
Another problem is the loss of data when you extract the card. SD-the card is part of the system partition, sudden extraction can lead to an error "Application not found" or a complete failure in the interface.
If you notice that after transferring applications, the phone started to work unstable, try to reverse-transfer. Return heavy and frequently used programs to internal memory, leaving only rarely used utilities and data archives on the map. Balance between internal memory speed and external storage is the key to stable operation.
- 🐌 When brakes, check the speed of the card through the app SD Card Benchmark.
- ❌ If the application does not start, remove it and install it again, controlling the installation site.
- 🔋 Increased battery consumption may be due to constant memory controller activity when working with slow SD.
In some cases, re-formatting the map helps. Delete all sections on the map. SD-a computer card (using a program such as SD Formatter, and then format it again through the Xiaomi Redmi interface. 9T. This eliminates file errors and fragmentation that may have accumulated during use.