Transfer of data to SD-Map in Xiaomi: a complete guide with nuances

Transfer of data to SD-The map in Xiaomi smartphones is a challenge that users face when there is a lack of internal memory, but not everyone knows that simply inserting a card is not enough: it requires the right setup to fully use it as the main storage. Depending on the Xiaomi model (e.g. Redmi Note 12, POCO X5 or Mi 11 and versions MIUI The process may have nuances, and some functions may have limitations.

In this article, we will discuss all the ways of data transfer, from formatting the card as an internal drive to manually moving applications and files. MIUI, You can bypass the standard Android limitations on writing data to external media, and you will also learn which Xiaomi models support Adoptable Storage. SD-cards in the internal memory, and where it is blocked by the manufacturer.

1. Preparation SD-maps: selection and formatting

Before you can transfer data, you need to prepare the memory card itself, and not all microSDs are suitable for use as internal storage.

• 🔹 Speed class: minimum UHS-I (U1) For modern smartphones Xiaomi (2020-2026) optimal UHS-I (U3) or A2 — They provide speed recording. ≥30 MB/s, which is critical for the operation of applications.
• 🔹 Volume: from 32GB (but better 64GB and above) Cards less than 32GB do not support formatting as internal storage in the home. MIUI.
• 🔹 Brand: avoid no-name cards - they are often forged and have a low speed.Recommended manufacturers: SanDisk, Samsung, Kingston, Lexar.

Before you use the card, you need to format it. In MIUI, this is done through the Settings menu → Storage → Memory Map. Important: formatting will delete all the data! If the card has already been used, make a backup.

⚠️ Note: Some Xiaomi models (e.g. Redmi) 9A or POCO M3) Do not support Adoptable Storage because of the limitations of the processor or Android version, in which case the card can only be used to store files (photos, videos, music), but not to install applications.

2. How to do this. SD-The internal storage (adoptable storage)

Adoptable Storage allows you to convert SD-It's part of the internal memory of the smartphone, which means that you can install applications on it and transfer the data of the system programs. MIUI This option is often hidden or disabled. Here's how to activate it:

1. Put the card in your smartphone and wait for it to be discovered.
2. Go to Settings → Storage → Memory Map.
3. Click on the three dots in the top right corner and select Storage Settings.
4. Slip on Format as internal (if there is no option, see the section below).
5. Confirm action. The system will warn you that the card will be encrypted and will not be read on other devices.

Once formatted, the smartphone will restart and the card will become part of the internal memory. Now you can transfer applications to it through Settings. → Annexes → Application management → [select] → Warehouse → Change.

3. Transfer of applications to SD-hand-write

Even if the card is not internal, you can transfer some of the applications manually to it, but there are limitations.

• 📱 Not all apps support portability (especially system and some games).
• 📱 After the transfer, the application can run slower (depending on the speed of the card).
• 📱 Ported applications widgets may stop working.

Instructions for transfer:

1. Open Settings → Applications → Application Management.
2. Select the application you want to transfer.
3. Slip the vault. → Change. → SD-map.
4. Confirm the transfer. The process may take a few minutes.

⚠️ Attention: Don't put it on SD-Map of applications that use constant synchronization (for example, messengers or banking programs) This can cause malfunctions in their work.

4.Use of ADB for Forced Transfer (for Advanced)

If MIUI does not have the option of formatting the card as an internal one, you can try activating it through ADB (Android Debug Bridge), which requires a computer and basic command line knowledge.

Steps:

1. Turn on the Developer Mode on your smartphone: Settings → About Phone → MIUI version (shap 7 times).
2. Activate Debugging by USB in Settings → Additional → For developers.
3. Connect your smartphone to your PC and open the command line (cmd in Windows or Terminal in macOS/Linux).
4. Enter the command: adb shell sm list-disks Remember the disk ID (e.g., disk:179.64).
5. Execute the command to format (replace disk:179.64 with your identifier): adb shell sm partition disk:179.64 private

After the command is executed, the smartphone will restart and SD-The card will become internal storage, a method that works on most Xiaomi models, but can cause data encryption problems on some firmware.

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If after the sm partition command, an error does not appear allowed, try first formatting the card as a portable storage through the smartphone settings, and then repeat the command.

5. transfer files (photos, videos, music) to SD-map

Media library files, documents and downloads can be transferred to SD-It's a map with no limits:

1. Connect your smartphone to your PC through USB-cable.
2. Select File Transfer Mode (MTP).
3. Copy files from folders DCIM, Download, Music and others in the respective folders on SD-map.

You can also use the file manager built into MIUI:

1. Open the Files app.
2. Select the files you need (long press).
3. Press Move Move Move. → SD-map → Select a folder.

6. Mistakes and problems when working with SD-card

In the case of SD-Xiaomi cards can have common errors. Let's look at the most common ones and how to solve them:

• 🚫 The card is undetectable: check the card and slot contacts, try inserting it into another device. If the card is not read anywhere, it is damaged.
• 🚫 Formatting error: Use a computer to format in FAT32 or exFAT (through SD Formatter).
• 🚫 Applications are not portable: make sure the card is formatted as internal. If not, use it. ADB (section).
• 🚫 Slow work: replace the card with a model with a class A2 or U3.

If, after transferring the applications to SD-The map is starting to fly out, try it:

1. Clear the app cache (Settings → Apps → [select] → Clear the cache).
2. Transfer the application back to internal memory.
3. Re-format the map.

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If Xiaomi smartphone does not see SD-map MIUI, Reset the storage settings: Settings → Memory. → Three points. → Reset the storage settings. It won't delete the data, but it will reset the memory management system.

7. Alternative Memory Release Methods

If the transfer is SD-The card does not solve the problem of memory shortage, consider other methods:

• 🗑️ Cache cleanup: Settings → Warehouse → Clear cache (releases up to several GB).
• 🗑️ Remove duplicates: Use applications like Files by Google or CCleaner.
• 🗑️ Cloud Storage: Move Photos and Videos to Google Photos or Mi Cloud (gives 5GB for free).
• 🗑️ Resetting to factory settings: an extreme method if memory is clogged with system debris.

You can also use the Lite Mode function in MIUI, which optimizes the system and reduces the amount of memory you take up:

1. Go to Settings → Special features → Lite Mode.
2. Activate the mode and select apps for optimization.

FAQ: Frequent questions about SD-maps in Xiaomi