How do you do it? SD-Map main storage on Xiaomi: full instructions with nuances

Xiaomi smartphones, even with 64 GB of internal memory, quickly fill up with photos, videos and applications. The solution is to use a microSD card as primary or secondary storage. However, simply inserting a card is not enough: you need to configure it correctly so that the system recognizes it as a full-fledged drive.

In this article, we will discuss all the ways to switch to SD-map: from basic file transfer to formatting as internal storage (with nuances for different versions) MIUI). Also consider common errors (such as why the card is not identified) and give recommendations for choosing the best microSD for Redmi, POCO and flagship models Xiaomi 13/14.

Importantly, the procedure is different for devices with MIUI 12/13/14 and older versions. If your smartphone is released before 2019, some features may not be available, we will warn you about this in the relevant sections.

Preparation: which SD-The card is suitable for Xiaomi

Not every microSD is compatible with Xiaomi, and the manufacturer recommends using UHS-I (U1/U3) or A1/A2 cards for stable performance.

  • πŸ”Ή Volume: 32 GB to 2 TB (but) MIUI may not support the cards >512 GB on older models).
  • πŸ”Ή Speed: Minimum Class 10 (for recording) 4K-video β€” U3 or V30).
  • πŸ”Ή Brand: SanDisk Ultra, Samsung EVO Plus, Kingston Canvas Go! – Proven versions without fakes".
  • πŸ”Ή Format: only FAT32 or exFAT (if card) >32GB). NTFS unsupported!

⚠️ Note: Cheap cards without certification often β€œlost” files or slow down when writing. Before buying, check reviews on AliExpress or Amazon – look for references to working with Xiaomi.

If you plan to use the card as an internal storage, take a model with a high random read/write rate (for example, SanDisk Extreme). A2). This is critical for applications to work directly with SD.

πŸ“Š What microSD are you using in Xiaomi?
SanDisk
Samsung
Kingston
Another mark.
I don't use it.

2.Insertion and first connection SD-map

Before setting up, make sure the card is properly installed:

  1. Turn off your smartphone (required! otherwise, the slot may not recognize the card).
  2. Find a tray for SIM/SD – it is usually located on the left side (for models Redmi Note 12, POCO X5, etc.) or on top (Xiaomi 13 Lite).
  3. Use a paper clip from the kit to remove the tray. Put the microSD in the SD slot (not in SIM1/SIM2!).
  4. Insert the tray back before the click and turn on the phone.

After the activation, a notification will appear β€œNew” SD-map discovered by ΕΎena. Click on it or go to Settings β†’ Memory.

Turn off the smartphone before insertion|Check the compatibility of the card (class) A1/U3)|Make sure the tray is snapped to the end|Do not format the card on the PC before insertion-->

⚠️ Note: If the card is not determined, check it out:

  • πŸ”Œ Contacts on the card and in the slot (wipe with alcohol when oxidizing).
  • πŸ“± Model compatibility: some Xiaomi (e.g. Mi 11 Ultra) do not support SD-map.
  • πŸ”„ Try rebooting your phone or inserting the card into another smartphone for a test.

3. Methods of use SD-maps in Xiaomi

There are two main modes of operation with SD available in MIUI:

Regime.DescriptionPlusesCons
Portable storageThe card is used as a removable drive (photo, video, music).βœ… Easy to retrieve and connect to other devicesβœ… No risk of data loss when resetting your phone❌ Applications cannot be moved to the map❌ Limited functionality
Internal storageThe map is formatted as part of the system (you can install applications).βœ… Ability to transfer applicationsβœ… Expanding memory for the system❌ The map cannot be retrieved without data loss.❌ Requires formatting (all data will be deleted!)

The mode you choose depends on your tasks. For most users, portable storage is enough, it's safer and more flexible. Internal storage is important if the phone critically lacks space for applications.

πŸ’‘

If you often shoot 4K video, choose a card marked V30 or V60 – this guarantees stable recording without β€œfreezes”.

4.Tune in. SD-maps as portable storage

This mode is suitable for storing media files, documents and backup copies.

  1. Insert the card and wait for the notification "New" SD-map".
  2. Click "Configure" β†’ select "Use as a portable storage".
  3. If the card is new, the system will offer to format it in exFAT (for cards > 32 GB) or FAT32.
  4. After formatting, the map will be available in the File Manager and Gallery.

To transfer files to SD:

  1. Open Files (standard MIUI application).
  2. Select files β†’ press β€œMore” β†’ β€œMove”.
  3. Choose. SD-destination-card.

⚠️ Note: Some apps (such as WhatsApp) do not allow you to transfer media to your home. SD To do this, you need to manually change the save path in the settings of the messenger.

How to transfer screenshots to SD-map?
1. Open Settings. β†’ Annexes β†’ Screenshots. 2. Press Warehouse. β†’ Change. 3. Choose. SD-Note: On some models, on some models (POCO F4) this path may be different - look for the section Additional in the settings of the application "Screenshots".

5. Formatting SD-maps as internal storage

This method is only suitable for A1/A2 class cards with high speed! on slow cards, applications will slow down.

Instructions for MIUI 13/14:

  1. Go to Settings. β†’ Memory.
  2. Click on your name. SD-map β†’ "Settings” (three dots in upper right corner).
  3. Select "Format as an internal storage".
  4. Read the warning about deletion of all data and confirm.
  5. Wait for the formatting to be completed (it can take 5-10 minutes).
  6. After the reboot, the card will be displayed as part of the internal memory.

To transfer applications to SD:

  1. Open Settings β†’ Applications β†’ Application Management.
  2. Select the app β†’ Warehouse β†’ Change.
  3. Press. SD-map and confirm the transfer.

⚠️ Note: Not all applications can be ported (MIUI Launcher, Security and some games (such as Genshin Impact) will remain in internal memory.

πŸ’‘

Formatting as internal storage is irreversible for other devices, and then the card can only be used in this smartphone!

6. Solving problems with SD-map

If the card is not detected, slows down or gives errors, check:

Problem.Reason.Decision
The map is not visible in the settingsBad contact, incompatibilityReboot your phone, check the slot, try another card
Mistake "SD-map damaged"Incorrect extraction, failure of the file systemFormat the map on your PC in FAT32 and paste it back in.
SD apps are slowing downLow card speedReplace the card with a Class A2 or U3 model
The map is turned off when recording the videoInsufficient recording speedUse a card marked V30 or higher

If the card is identified but the files are not copied, try:

  • πŸ”§ Format it via PC (use it) SD Formatter from SD Association).
  • πŸ“± Update MIUI Up to the latest version (in old firmware there are bugs with the SD).
  • πŸ› οΈ Check the map for errors through chkdsk (on Windows): chkdsk X: /f (where X is the letter of your disk SD-map).

7. Optimization of work with SD-card

To extend the life of the card and avoid data loss:

  • πŸ”„ Regularly (every 2-3 months) copy important files to your PC or cloud.
  • 🚫 Do not remove the card while writing files (risk of data corruption).
  • πŸ“‰ Keep an eye out for the free space: if there is a leftover on the map <10% memory, recording speed drops.
  • πŸ”‹ For long-term storage (photo archive) use SanDisk Ultra cards – they are optimized for rare entries.

If you often shoot videos, set up automatic recording on SD:

  1. Open the camera β†’ Settings β†’ Storage.
  2. Choose. SD-map as default save place.
  3. Activate the option "Save a copy to your phone" if you are afraid of losing files.

⚠️ Attention: When in use SD As the main storage for applications, avoid full battery drain.This can damage the file system on the map.

Frequently asked questions

Can I use it? SD-Map as internal memory of Xiaomi Redmi 9?
Yes, but only if the class card A1/A2. On the Redmi. 9 s MIUI 12 So the algorithm is, you just put a map in and wait for the notifications. Go to Settings. β†’ Memory. β†’ SD-map β†’ Settings (three points) β†’ Format it as internal storage. Confirm the formatting and wait until it's done. Then you can transfer some of the applications to the map through Settings. β†’ Annexes.
Why did the card become slow after formatting as an internal storage?
This is a typical problem with cheap cards. The reason is low random recording speed (IOPS). Solutions: Replace the card with an A2-labeled model (e.g. Samsung EVO Plus A2). Don't transfer heavy apps (games, social media with cache) to SD. Turn off animation in MIUI (Settings β†’ Phone β†’ MIUI Version β†’ tap 7 times, then Developer Settings β†’ Animation).
How to get it back SD-map to its original state after use as internal memory?
If you format a map as an internal storage, you can't just extract it, you first need to: Copy all the important data from the map to the PC. Go to Settings. β†’ Memory. β†’ SD-map β†’ Settings β†’ Format it as portable. Confirm the formatting (all data will be deleted!) After that, the card can be used in other devices.
Does all Xiaomi models support? SD-map?
No. Some flagships (Xiaomi 12 Pro, 13 Ultra) do not have a microSD slot.Full list of models without SD support: Xiaomi Mi 11 Ultra Xiaomi 12/12 Pro/12S Ultra Xiaomi 13/13 Pro Black Shark 4/5 (gaming smartphones) Before buying, check the specifications on the official Xiaomi website.
Can I use it? SD-videograph 8K Xiaomi 13 Pro?
Technically yes, but: Need a map with a recording speed β‰₯90 MB/s (e.g. SanDisk Extreme Pro) V90). V MIUI 14 by default 8K It's written into internal memory. To change the path: β†’ Camera. β†’ Video format β†’ Additionally. β†’ The way to preserve β†’ SD-map ⚠️ In the record 8K The card is very hot – avoid long sessions (>10 minutes).