How to turn it on SD-Map on the Xiaomi smartphone: instructions for all models (2026)

External SD-A map on Xiaomi smartphones is an easy way to expand the memory of a device, especially if built-in storage is not enough for photos, videos or applications. The phone doesn't see the card, it gives you a formatting error, or it suggests you use it only for multimedia. SD-Xiaomi card, configure it as internal or external memory, and solve typical errors.

It’s important to understand that the connection process depends on the version of MIUI and the model of the smartphone. For example, on the Redmi Note 12 and POCO X5, the algorithm may differ from older devices like the Mi A2. We will look at universal methods that are relevant to most Xiaomi, Redmi and POCO devices based on Android 10-14.

If you SD-The card is not defined, don't throw it away. 80 percent of the time, the problem is solved software-based, you just reset the storage settings or reformat the drive, but there are some hardware nuances, like the memory card slot can get contaminated or damaged. We will tell you how to diagnose a malfunction and what to do in each case.

1. Preparation SD-pre-connection cards

Before you insert the card into your smartphone, make sure it is compatible with your Xiaomi model. Most devices support microSD up to 1TB, but there are limitations:

• 📱 Older models (until 2018): maximum 256 GB (e.g. Redmi 5 Plus, Mi 6).
• 🔄 Hybrid slot: if the card is inserted instead of the second SIM, Check if your smartphone supports Dual SIM + microSD at the same time (on the same time) POCO F3 — Yeah, Redmi 9's not).
• ⚡ Speed classes: for recording 4K-Video needs a class UHS-I (U3) or V30. Class 10 cards are suitable for photos and music.

Also check the physical condition of the card:

• 🔍 Check contacts for scratches or oxidation (wipe with alcohol if there is contamination).
• 📏 Make sure the adapter (if used) is not damaged – sometimes the metallic legs curl up.
• 💾 If the card has been previously used in another device, format it via your PC or smartphone (more on this below).

⚠️ Note: Do not use memory cards with a file system NTFS ExFAT – Xiaomi only supports FAT32 (up to 32 GB and ext4 (If the card is formatted in NTFS, It will have to be re-formatted with the loss of data.

2. Where to insert SD-map in Xiaomi smartphones

The location of the memory card slot depends on the model.

To insert a map:

1. Turn off your smartphone (recommended, but not necessarily on newer models).
2. Use a paper clip or a special key from the kit to open the tray.
3. Put the microSD card down (on most models).
4. Carefully push the tray back before the click.

⚠️ Note: On devices with a hybrid slot (such as the Redmi Note 10 Pro) when installed SD-second-hand SIM-The card will go off. If you need two. SIM and a memory card at the same time, look for a model with a separate slot (for example, POCO X3 Pro).

3.Tune in. SD-cards after connection

Once the card is inserted, the smartphone should automatically recognize it.

1. Reset the device.
2. Open the Settings. → Memory (or Warehouse).
3. Scroll down, there should be a line. SD-map.

If the card is determined but does not work, follow the following steps:

Check if the card is inserted correctly (contacts below)

Reboot your smartphone

Format the map through the settings (see section 4)

Try the card on another device (PC, other phone)

Update the firmware MIUI last-minute-->

When you first connect, the system will suggest choosing how to use the card:

• 📁 Portable storage for photos, videos, music (can be retrieved without data loss).
• 🔧 Internal storage – for installing applications (the card is tied to the device, the extraction will lead to failures).

Important: If you choose Internal Storage, the card will be encrypted and formatted in ext4. It will then not be read on other devices without losing data! This mode is only suitable if you critically lack memory for applications.

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If you're often rearranging SD-map between devices (e.g. between phone and camera), select Portable Storage mode. For applications, it is better to use cloud services or manually clear the cache.

4. Formatting SD-maps on Xiaomi

If the card is not recognized or gives an error «SD-The card is damaged, it needs to be formatted!

Methods of formatting:

Method 1: Through smartphone settings

1. Open the Settings. → Memory. → SD-map.
2. Click Set up (or Format)
3. Select the file system: FAT32 for cards up to 32 GB (compatible with all devices); exFAT for 64-512 GB cards (not all older devices support).

Confirm the action.

Method 2: Through PC (if the phone is not formatting)

1. Connect the card to the computer through the card reader.
2. Open this computer (Windows) or Disk utility (Mac).
3. Right-click on the right-click. SD-map → Format.
4. Choose FAT32 (for cards up to 32GB) or exFAT (for larger volumes).
5. Press Start.

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If SD-The card stopped working after the update. MIUI, Try resetting the storage settings: Settings → Memory. → Threefold (⋮) → Warehouse → Reset. It won't delete data, but it will restart the storage management service.

6 How to transfer data to SD-map

Once you've successfully connected the map, you can transfer photos, videos, even some apps to it. Here's how to do this:

Transfer of files (photos, videos, music)

1. Open Files (File Manager application from Xiaomi)
2. Select a folder (for example, DCIM for photos or Download for downloads).
3. Press and hold the files you want to transfer.
4. Tap to move. → choose SD-map → destination.

Application portability (only for cards in “Internal Storage” mode)

1. Open Settings → Applications → Application Management.
2. Select the application → Warehouse.
3. Click Change. → SD-map.
4. Confirm the transfer (not all applications support this feature).

⚠️ Note: Not all applications can be moved to SD-Map: System programs (e.g. Google Play Services) and some games (e.g., Google Play Services, PUBG Mobile) remain in internal memory. The transfer can also slow down the application - memory cards are slower than the built-in flash memory.

Automatic photo saving on SD-map

To make sure that new photos and videos are immediately saved to the map:

1. Open the Camera app.
2. Tap on. ⚙️ Settings → Preservation site.
3. Choose. SD-map.

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If you use the card as a portable storage, create DCIM, Download and Music folders manually on it – this will make it easier to sort files.

7. Optimization of work SD-maps on Xiaomi

To make the memory card work faster and longer:

• 🚀 Use class cards U3/V30 videotape 4K or frequent file retention.
• 🧹 Clean the cache regularly: Settings → Memory. → Clear the cache.
• 🔋 Remove the card correctly: before extracting the tap Extract in the notification or in the storage settings.
• 🛡️ Encrypt the data (optional): Settings → Memory. → SD-map → Set up → Encrypt.

If the card has started to "slow down":

• Check it for errors through the PC (right click → Properties → Service → Check).
• Do not fill the card "to the end" - leave at least 10% of free space.
• Avoid recording/reading large files at the same time (e.g., video shooting + music copying).

8. Alternatives SD-maps for Xiaomi

If your Xiaomi model doesn’t support memory cards (such as the Xiaomi 13 Pro or Black Shark), consider alternatives:

• ☁️ Cloud storage: Google Drive (15GB free). Mi Cloud (5GB free, integrated into the MIUI). Yandex Disk (10GB free).
• 💻 USB-accumulator (OTG): Connect the flash drive through the adapter USB-C/OTG.
• 📡 Network storage (NAS): If you have a router at home USB-port, connect the hard disk to it.

To automatically upload photos to the cloud:

1. Open Settings → Xiaomi Accounts → Mi Cloud
2. Turn on the gallery sync.
3. Select the download quality (original or compressed).

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If you often shoot 4K videos or store large files, it’s better to use cloud + local cleanup. For example, Google Photos can enable automatic deletion of files from your device after uploading to the cloud.

FAQ: Frequent questions about SD-maps on Xiaomi