How to transfer data from internal memory to SD-Map in Xiaomi: 5 proven ways

A full internal memory smartphone is a problem that every second owner of Xiaomi faces. Even models with 128 GB and 256 GB are often clogged with cache of applications, high-resolution photos and system updates. SD-The map seems to be a logical solution, but in MIUI This process has its own nuances: from the limitations of Android to the features of Xiaomi firmware.

In this article, we will explore all the working methods of transfer, from standard system tools to hidden features for power users, you will learn how to make room for new photos, why some applications can not be moved, and what to do if the system can not see. SD-And then there's a unique method for hybrid slot models like the Redmi Note 10 Pro. SD-card SIM.

Preparation: which SD-Choose a map for Xiaomi

Not every microSD is suitable for data transfer. Xiaomi smartphones support microSDXC cards (up to 2 TB), but there are critical limitations:

• 🔹 Speed class: minimum UHS-I Class 10 (or A1/A2 Class maps for applications 4 or 6 They'll slow down the system.
• 🔹 File system: FAT32 (up to 32 GB or exFAT (64 GB). NTFS unsupported!
• 🔹 Brand: Avoid no-name cards, which often forge volume. EVO, Kingston Canvas.

For models with hybrid slot (Redmi) 9A, Poco X3 Pro) is important: if you use the card as a memory extension, the second SIM-The card will be automatically disabled. Check this in Settings → SIM-maps and mobile networks.

⚠️ Note: Maps with a larger volume 128 GB may not be recognized on older models (Redmi) 5/6, Mi A1/A2). Before buying, check compatibility on Xiaomi’s support site.

2. Method 1: Transfer files (photos, videos, music) through the "Conductor"

The easiest method is to manually copy through a standard Explorer (or Files by Google), which is suitable for media files, documents and archives, but does not affect applications.

Instructions:

1. Open the Explorer application (the folder icon on the desktop).
2. Go to Internal Memory → select a folder (for example, DCIM for photos or Download for downloads).
3. Press and hold the file / folder → select Allocate or mark the desired.
4. Slip the Copy icon (or Cut if you want to remove the originals).
5. Go back to the root directory, select SD-map → insert.

To speed up the process, use the packet mode:

Select the entire folder (e.g., Camera)

Click "Copy"

Go to the SD-Create a folder with the same name

Insert files and wait until the card is completed (don’t remove the card!)

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⚠️ Note: If you have a copying error called “Not enough space”, check the file system. SD-map. FAT32 Does not support files larger than 4 GB for video in 4K exFAT will be required.

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To avoid duplicates, sort files by date in the Explorer before transfer: tap three dots in the upper right corner → “Sort” → “Date”.

Method 2: Transfer applications to SD-map (App2SD)

V MIUI portability SD-The card is partially blocked due to Google's policy (starting with Android 6.0), however, some models (Poco, Redmi Note series) support this option through hidden settings.

How to check for support:

1. Open Settings → Applications → Application Management.
2. Choose any app (such as Facebook or Telegram).
3. If there's a storage item → Change. → SD-card, your device supports transfer.

For models without this option, there is a workaround through ADB (requires PC):

adb shell pm set-install-location 2

This command forces the system to install new applications on the SD-Default card. Important: Reboot your smartphone after you do it.

Method 3: Formatting SD-maps as internal memory

This method allows us to combine SD-A card with internal memory, but with serious consequences:

• 🔹 The card will be encrypted and will not be read on other devices.
• 🔹 After extracting the map, the application will stop working on it.
• 🔹 The speed of work depends on the class. SD-maps (recommended) A2).

Instructions:

1. Put it in. SD-smartphone-card.
2. Go to Settings. → Memory. → SD-map.
3. Slip on the three dots in the upper right corner → Storage settings.
4. Select Format as Internal → Clean and Format.
5. After formatting, select Move Data Now (optional).

After the procedure:

• 📌 New applications will be installed on SD-map.
• 📌 Older applications can be manually transferred (see Method 2).
• 📌 In the storage settings will appear item Data Transfer.

⚠️ Attention: If you extract SD-A card formatted as internal memory, the smartphone will stop loading until it returns. Always back up before formatting!

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Formatting SD-The only way to transfer system updates and cache of applications is to return the card to its original state, however, it is an irreversible process: the card can only be returned to its original state through full formatting on the PC.

5. Method 4: Automatic transfer of photos and videos through the "Gallery"

Annex Gallery in MIUI It has an automatic backup function on SD-This is convenient for those who are constantly taking photos/video and want to free up internal memory.

Setting:

1. Open the Gallery → tap on the avatar (or three lines) → Settings.
2. Select Backup → Local Backup.
3. Activate the switch and indicate the path to SD-map.
4. Enable the option to automatically copy new files.

Additional settings:

• 🔸 Compression quality: Choose Original if quality preservation is important.
• 🔸 File types: mark Photos, Videos, Screenshots.
• 🔸 Schedule: Set up copying over Wi-Fi or at a specific time.

For models with MIUI 14 Smart cleaning option available: the system will automatically prompt you to transfer old photos to the SD-spot-card.

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If the gallery does not display a backup option, update the Gallery app via Google Play or clear its cache in Settings → Apps.

Method 5: Transfer data over PC (for large volumes)

If you need to move tens of gigabytes (like movies or backups), it's easier to use a computer, which is faster and more reliable than copying through a smartphone.

Step-by-step:

1. Connect Xiaomi to your PC via USB-cable (use the original cable for stable speed).
2. On your smartphone, select File Transfer (MTP) mode in the connection notification.
3. On PC, open This Computer → Find a Xiaomi device.
4. Copy files from Internal Storage folders into a folder SD-maps (it will appear as a separate disk).
5. Use programs like TeraCopy or FastCopy to speed up.

If SD-The card is not displayed on the PC:

• 🛠️ Check that the card is inserted correctly into the slot (try to extract and insert again).
• 🛠️ Update the drivers MTP on PC (via Device Manager).
• 🛠️ Format the card on your smartphone in exFAT (if it was in the NTFS).

⚠️ Note: When copying via PC, do not extract USB-Interrupting can cause files to be corrupted, especially if the video is copied to 4K or HEVC.

7. Problem Solving: What to Do If SD-map not defined

If the smartphone does not see SD-The reasons can be both hardware and software. Let's look at the typical scenarios:

If the card has been used before but has ceased to be defined:

1. Reboot your smartphone.
2. Try the card on another device (such as a camera or laptop).
3. In Settings → Memory tap on three points → Update.
4. If nothing helps, format the card via PC (the data will be deleted!).

To diagnose the status of the card, use the utilities:

• 📊 H2testw (volume-check).
• 📊 CrystalDiskMark (read/write speed test).
• 📊 SD Card Formatter (official formatting utility).

8. Frequent Questions (FAQ)