How to insert a memory card into a Xiaomi smartphone: instructions for all models

Xiaomi smartphones are some of the most popular devices that support microSD memory expansion. But even experienced users sometimes have questions about how to insert a card correctly so that it is recognized by the system, whether it can be used as internal memory, and why the device does not see the drive. In this article, we will analyze all the nuances from choosing the right card to configuring it in different modes.

It is important to understand that the installation process depends on the smartphone model (for example, Redmi Note 12 vs POCO X5 Pro), the type of slot (hybrid or dedicated) and the version of MIUI. We have collected up-to-date information for devices 2020-2026, including the features of working with exFAT and NTFS on new firmware. If you just bought a card or plan to purchase it – this guide will help avoid typical errors.

1. Which memory cards are compatible with Xiaomi

Not all microSDs work equally well with Xiaomi smartphones, and the manufacturer recommends using UHS-I (U1/U3) or A1/A2 cards for optimal read/write speeds.

• 🔹 Volume: 32GB to 1TB (maximum model-dependent - see table below) Cards less than 16GB may not be supported.
• 🔹 Speed class: minimum Class 10 (U1) videotape 4K. For apps better A2 (Accelerated work with small files).
• 🔹 Format: exFAT (recommended for cards) >32 GB) or FAT32 (map ≤32GB). NTFS not supported by default.
• 🔹 Brands: SanDisk Ultra, Samsung EVO Plus, Kingston Canvas – Verified variants with no compatibility issues.

⚠️ Attention: Format maps SDXC (usually >64GB requires formatting in exFAT, otherwise the smartphone will not see the full volume. 9A) Can not support cards with a volume of more than 256 GB.

2. Where is the memory card slot located

The slot's location depends on the Xiaomi model, and in most cases it's combined with a tray for the game. SIM-maps, but there are exceptions:

• 📱 Hybrid slot: Used instead of the second SIM-cards (e.g., in Redmi Note 11 or POCO M5). When installing a microSD, you will have to abandon the second one. SIM.
• 📱 Dedicated slot: Separate connector for microSD + two-way SIM-maps (e.g. in the POCO X4 GT or Redmi K50).
• 📱 No slot: Flagship models (Xiaomi) 12/13/14, Mix 4) Do not support expansion of memory.

To find the slot:

1. Turn the smartphone down with the screen.
2. Look for a tray on the left or top edge (near volume buttons or USB-C connector).
3. On some models (for example, Black Shark) the slot is hidden under a removable cover.

3. Step-by-step instruction: how to insert a memory card

The microSD installation process takes less than a minute, but requires care.

Turn off your smartphone (recommended for safety)

Get the tray for you. SIM-paper-card

Check the card for no damage.

Orient the map with metal contacts down-->

1. Turn off the device. While many models support hot replacement, it's best to turn off the smartphone to avoid recognition failures.
2. Insert the paper clip into the tray hole and carefully remove it. On some models (for example, the POCO F4), the tray is pushed out with effort - don't be afraid, this is normal.
3. Put the microSD card in the slot with metal contacts down. On hybrid trays, it is usually placed on top of the nano-SIM (if used).
4. Insert the tray back before you click. Make sure it sits flat - skewings can lead to poor contact.
5. Turn on your smartphone. In 10 to 30 seconds, you'll notice a new drive.

⚠️ Note: If the card is not determined after installation, check:

• 🔌 Correct orientation (contacts should be directed to the back cover of the smartphone).
• 🛠️ No contamination in the slot (wipe the card contacts with a dry napkin).
• 📱 Compatibility of the model (e.g. Xiaomi) 11T Pro does not support microSD).

4. Memory card formatting in Xiaomi

A new card or one previously used on another device may require formatting. Xiaomi offers two options:

• 📁 As a portable storage: The card is used for photos, music, documents. Files remain accessible when connected to a PC.
• 📱 As internal memory: The card becomes part of the system (you can install applications) and once formatted in this mode, the card will not be used on other devices without complete cleaning.

To format the map:

1. Go to the Settings → Storage → [Map Name].
2. Click Format and select the mode:
3. For portable storage, choose FAT32 (up to 32 GB) or exFAT (over 32 GB).
4. For internal memory, select Internal Storage – the system will automatically format the card to ext4.

⚠️ Attention: On some firmware MIUI (especially global) formatting as internal memory may not be available, in which case manual formatting via ADB:

adb shell sm set-force-adoptable true


adb shell sm partition disk:179,64 private

Replace 179.64 with the current parameters of your card (you can find them through the command adb shell sm list-disks).

5.Setting up the card as internal memory

Using microSD as an internal storage device allows you to install apps and games directly on it, but there are some nuances:

• ⚡ Speed: Even maps A2 They're slower than the internal memory. Expect slowdowns when you start heavy applications.
• 📦 Data portability: The system will automatically offer to transfer some files to the map, but not all applications support this feature.
• 🔒 Encryption: The card is encrypted and becomes unusable on other devices.

To set up the card as an internal memory:

1. After formatting in Internal Storage mode, wait until the process is complete (it can take 5-10 minutes).
2. Go to Settings → Applications → [Select App] → Storage.
3. Click Change and select a memory card (the option is not available for all applications).

6. Problem Solving: Smartphone Cannot See Memory Card

If Xiaomi doesn’t recognize microSD, check out the following:

If the card was previously working, but Suddenly stopped defining:

1. Try it on another device (for example, in a laptop through a card reader).
2. Wipe the contacts of the card and the smartphone slot with an alcohol napkin.
3. Update the MIUI firmware - in older versions there are bugs with support for exFAT.

7. Transfer data and applications to a memory card

After configuring the card as internal memory, you can transfer some of the data to it:

• 📷 Photo and video: In the gallery Xiaomi select files → Move it → specify the memory card.
• 🎵 Music: In the Music app, click on the track → Management → Move it to SD-map.
• 🎮 Applications: In the application settings (Settings) → Annexes → [Name] → Storage) click Change and select the map.

⚠️ Note: Not all apps support card portability, such as WhatsApp, Telegram and most games only store data in internal memory:

• System applications (Settings, Phone, Messages).
• MIUI updates and firmware.
• Android/data and Android/obb files (root rights are required).

8 How to safely remove the memory card

Misremoving a microSD can cause data loss or damage to the file system.

1. Open the notification bar and click on the Safe Extract icon (if it appears after connecting the card).
2. If there is no icon, go to Settings → Storage → [Map Name] → Extract.
3. Wait for the notification You can remove the card.
4. Use a paper clip to retrieve the tray.

⚠️ Note: If you remove the card during the:

• 📸 Video or photo recordings – the file will be corrupted.
• 🔄 Data transfer – the process will be interrupted and files may be lost.
• 📱 Application updates – possible malfunctions in the work of programs.

Frequently asked questions