How to transfer data to a memory card in Xiaomi phones: the complete guide

Transferring data to a memory card in Xiaomi smartphones is a challenge that most users face when there is a lack of internal memory. Even models with 128 GB and 256 GB are filled with photos, videos, apps and cache over time. The microSD card becomes a salvation, but not everyone knows how to use it correctly: which files can be moved and which ones can not, how to avoid errors and not lose data.

In this article, we will discuss all the ways to transfer data to SD-map in Redmi, Poco and Mi phones, including hidden settings MIUI, You will learn how to move apps (yes, it is possible, but with reservations!), photos, music and documents, and the pitfalls of low-quality memory cards.

Preparation of a memory card: selection, formatting and verification

Before you can move data, you have to prepare the card correctly. Not all microSDs are equally useful: cheap models without certification can slow down your smartphone, lose files, or even disable the slot.

• 🔹 Speed class: for applications and video 4K need UHS-I (U1/U3) or A1/A2. Class Class Cards 10 Suitable only for photos and music.
• 🔹 Volume: MIUI Supports cards up to 2 TB, but optimally 128-512 GB. Cards less than 32 GB may not be recognized.
• 🔹 Brand: Prefer SanDisk, Samsung EVO, Kingston Canvas or Lexar. avoid no-name cards from online stores.
• 🔹 Formatting: The new map must be formatted into FAT32 (up to 32 GB) or exFAT (over 32 GB).

Before the first use, it is better to format the card directly in the phone:

1. Insert the card into the slot (in most Xiaomi it is combined with a tray for SIM).
2. Go to Settings → Memory → Memory Map.
3. Click Format as internal (if you want to expand memory for applications) or Format as portable (for file storage).
4. Confirm the action. Attention: formatting will remove all data from the map!

⚠️ Note: If you choose formatting as internal memory, the card cannot be retrieved and used in another device without data loss.

Transferring photos and videos to a memory card

Photos and videos take up the lion’s share of memory, especially if you’re shooting in the video. 4K or RAW. Move them to SD-mapping in several ways:

Method 1: Through the Gallery app

The simplest method is:

1. Open the Gallery app.
2. Select files (press your finger on one file, then mark the rest).
3. Press More. → Move it.
4. Select a Memory Card and a destination folder (e.g. DCIM/Camera).

Method 2: Using the MIUI File Manager

If you need to transfer many files or entire folders at once:

1. Open Explorer (the folder icon on the desktop).
2. Go to the Inner Memory → DCIM (or another photo folder).
3. Select files, click Move and point the path to SD-map.

To automate the process, you can configure the saving of new photos immediately on the map:

1. Open the camera → Settings (cogs) → Save place.
2. Select Memory Card.

💡

If photos are not displayed in the gallery after transferring, restart your phone or update your media base through Settings → Memory → Update media files.

Transfer of applications to SD-map: myths and reality

Many users want to move apps to a memory card to free up internal memory, but in Xiaomi (as with most Android smartphones), this doesn’t work as easily as it might seem.

• 📱 MIUI It allows you to transfer only a part of the applications - those that support this feature (usually games and some programs.
• ⚡ Performance may fall: memory cards are slower than internal memory, so games and heavy applications will slow down.
• 🔄 After the transfer, the application may not work stable, especially if the card is of poor quality.

To transfer the supported application:

1. Go to Settings → Applications → Application Management.
2. Select the appropriate application.
3. Click Warehouse → Change → Memory Map.
4. Confirm the transfer. The process may take a few minutes.

⚠️ Note: If you remove the memory card, the transferred applications will stop working, and not all application updates will be installed correctly on the device. SD-map.

Transfer of music, documents and other files

Music, documents (PDF, DOCX), archives and other files are transferred to the memory card without restrictions.

Method 1: Through the "Conductor"

Similar to the photo transfer:

1. Open the Conductor.
2. Go to the file folder (such as Music or Downloads).
3. Select files, click Move and specify the target folder on SD-map.

Method 2: Through PC (for large volumes)

If you need to transfer tens of gigabytes, it is more convenient to use a computer:

1. Connect Xiaomi to your PC via USB (select File Transfer Mode).
2. Open the phone folder in Windows/macOS Explorer.
3. Copy files from internal memory into folder SD-map (it will appear as a separate disk).

For music, you can configure automatic save to the map in apps like Spotify or VLC:

• 🎵 In Spotify: Settings → Quality. → Saving on the device → Download folder (specify the path to the SD).
• 🎧 V VLC: Settings → Download folder.

What not to transfer to a memory card (and why)

Not all files can or should be transferred to SD-Here's a list of what's best left in your internal memory:

• 🔐 System files and folders (such as Android, MIUI): Their movement will lead to malfunctions in the phone.
• 📁 folder Android/obb: It contains game data (e.g. Genshin Impact cache or Call of Duty Mobile.
• 🔄 Update files MIUI (folder downloaded_rom): Their movement will interrupt the update process.
• 🏦 Banking applications (Sberbank, Tinkoff, etc.): according to security rules, they block work with the bank. SD-map.
• 📱 APK-Files: Applications installed from the map may not be updated.

It is also not recommended to transfer:

• 📂 WhatsApp folder: messenger may stop saving media files.
• 🎮 Game Saving: Many games (e.g., games, PUBG Mobile) does not recognize the saves on SD-map.

💡

If you transfer files to a memory card that are not designed to do this, the phone may start to slow down, applications will fly out, and data will be corrupted. Always check whether a particular application or file supports external storage.

Errors in data transfer and how to fix them

When working with SD-Xiaomi users often encounter errors. Here are the most common ways to solve them:

If the memory card is not recognized at all:

1. Check if it is inserted correctly (in most Xiaomi contacts must be turned to the screen).
2. Try another card to rule out a slot malfunction.
3. Clean the contacts of the card and slot in the phone with dry soft cloth.
4. Update. MIUI Up to the latest version (some firmware has bugs with the SD-map).

How to Optimize Memory Card Use in Xiaomi

So SD-The card served a long time and did not brake the phone, follow these tips:

• 🔄 Clean the cache regularly: go to Settings → Memory. → Cleaning and removing unnecessary files.
• 📁 Don’t store too many small files on the card (for example, thousands of photos in one folder) – this slows down the card’s work.
• 🔋 Remove the card only through secure shutdown: Settings → Memory. → Memory map → Extract.
• 🛡️ Encrypt the card if you store confidential data on it: Settings → Memory. → Memory map → Encrypt.
• 📱 Do not use the card as internal memory if it is slow (class below). A1) — It's a big brake on the system.

For advanced users: If you often work with large files (such as 4K video), you can turn off card caching:

1. Activate Developer Mode (click 7 times on the MIUI version in Settings → About Phone).
2. Go to Settings → Additional → For developers.
3. Turn off caching to external storage.

💡

If you use the card as internal memory, back up your data once a month on your PC, and it's almost impossible to recover information from the card if it fails.

FAQ: Frequent questions about data transfer to SD-map