Xiaomi smartphones support memory expansion via microSD cards, but not all users know how to use them correctly. Formatting errors, incorrect file system selection or incorrect configuration can lead to data loss or device slowdown. In this article, we will examine all the nuances from choosing a memory card to porting applications and solving typical problems.
Xiaomiโs feature (unlike many other brands) is that it supports hybrid slots on most models, which means you can install either a second one. SIM-card, or microSD, but not both at the same time. 13/14 Redmi Note 12 Pro+, Before buying a card, check the specifications of your model!
How to Choose a MicroSD Card for Xiaomi: Speed, Volume and Brands
Not all memory cards work equally well with Xiaomi smartphones.
- ๐น Speed class: minimum UHS-I (Class 10, optimally โ A2 (Application installations. Maps A1 It is suitable only for storing photos/videos.
- ๐น Volume: 64 GB (for basic use) to 1 TB (maximum for Xiaomi 14 Ultra flagships). Budget models (Redmi) 10A, Poco M5) Supports up to 512GB.
- ๐น Brand: Reliable Manufacturers โ SanDisk Extreme, Samsung EVO Plus, Kingston Canvas Go!. - Avoid no-name cards: they are often forged.
Important: Xiaomi officially tests cards only up to 512GB. 1TB cards can work, but without a guarantee of stability.
The file system of the card has the value:
- ๐ FAT32 โ Compatible with all devices, but limited to files up to 4GB.
- ๐ ExFAT โ Optimal for Xiaomi (no file size restrictions, high speed).
- ๐ NTFS โ Not recommended (may cause reading errors).
โ ๏ธ Attention: Maps FAT32 Not suitable for recording video in 4K Xiaomi โ the file will be cropped to 4 GB. Use exFAT for shooting in high resolution.
How to Insert MicroSD in Xiaomi: Step-by-step Instructions
The process of installing the memory card depends on the model of the smartphone. In most cases, you will need a paper clip or a special key to remove the tray.
Turn off your smartphone.
Find a tray for SIM/microSD (usually on the left end)
Prepare a paper clip or key to remove the tray
Check the correct orientation of the map (skosom to contacts)
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Instructions for most models (Redmi Note 11/12, Poco X5, Xiaomi 12T):
- Turn off your phone (required!).
- Insert the paperclip into the tray hole and press before clicking.
- Remove the tray and place the microSD in the appropriate slot (usually marked as SD or MicroSD).
- Set the tray back before the click.
- Turn on the phone and wait for the identification of the card (notification will appear in the curtain).
For models with hybrid slot (Redmi 9A, Poco M4 Pro):
- ๐ When installing a microSD, the second SIM-The card will be automatically disabled.
- ๐ To return SIM, I'll have to take out the memory card.
Where is the Xiaomi 13 Ultra slot?
Formatting SD-Xiaomi maps: when and how to do it
Xiaomi smartphones offer two microSD use cases:
- Portable storage โ the card works like a flash drive (files can be transferred to other devices).
- Internal memory โ the card is formatted as part of the system (you can install applications).
The second option requires full formatting, which will remove all data from the card.
How to format your card as an internal memory:
- Go to Settings โ Memory โ Memory Map.
- Click Format as internal.
- Confirm the action and wait until it is completed (may take up to 10 minutes).
- After formatting, select Move Data Now or Do It Later.
| Type of formatting | Advantages | Deficiencies |
|---|---|---|
| Portable storage | Compatible with other devices No tether to the phone | You can not install applications Restrictions on writing some files |
| Internal memory. | You can transfer applications High speed of work | Card tied to phone Can't be used on other devices |
| exFAT (manual) | Support for files >4 GB High speed | Requires formatting on PC Not all models support |
โ ๏ธ Note: Once the microSD is formatted as internal memory, it cannot be retrieved without resetting the phone to factory settings!
How to transfer data and applications to SD-map
Transferring files to a microSD in Xiaomi is done via Explorer or Settings. For applications, the process is more complicated - not all programs support moving.
File transfer (photo, video, music):
- Open the Files Explorer (application).
- Select files โ click Select โ Move.
- In the list of locations, select SD-destination-card.
Portability of annexes:
- ๐ฑ Go to Settings. โ Annexes โ Application management.
- ๐ฑ Select the application โ Warehouse โ Change.
- ๐ฑ If you're optional SD-The card is active, move it. If not, the app doesn't support moving.
List of apps that can not be ported to SD in Xiaomi:
- ๐ซ System applications (MIUI Launcher, Settings).
- ๐ซ Applications with a widget on the main screen.
- ๐ซ The game with protection (Genshin Impact, PUBG Mobile).
- ๐ซ Messengers (WhatsApp, Telegram โ only cache).
1. Open Settings โ Memory โ Cleanup.
2. Select Deep Clean โ App cache.
3.Push forward to SD-map (not available for all applications).-->
Typical errors with SD-Xiaomi Map and How to Fix It
Xiaomi users often face problems when working with microSD. Letโs consider the most common:
- ๐ด Card not identified: Check the correct installation (turn the card over); clear the contacts of the card and slot with alcohol.
- ๐ด Mistake "SD-Card damaged": Format the card on PC in exFAT. If it doesn't help - card faulty (replace).
- ๐ด Slow recording/reading: Use a class card A2. Turn off Adaptive Brightness in Settings (sometimes affects speed).
If the card is determined but the files are not opened:
- Connect your phone to your PC and check the card for viruses.
- Launch it. CHKDSK Windows Command Line: chkdsk E: /f (where E: is your letter SD-map).
โ ๏ธ Warning: If after formatting as internal memory, the phone stops seeing the card, do not remove it. Try rebooting in Safe Mode (press Power). + Turning down the volume when you turn on. If the card appears, the problem is in third-party software.
How to safely extract SD-map
Misremoving a microSD can cause data loss or file system damage. Xiaomi has two ways:
Method 1: Through Notification
- Open the notification curtain.
- Click on the Safe Retrieval Notice SD-map.
- Wait for messages to be retrieved.
Method 2: Through settings
- Go to Settings โ Memory โ Memory Map.
- Click Extract (or Disable for Portable Storage).
- Wait for confirmation.
If the card is used as an internal memory:
- ๐ It can't be removed without resetting the phone.
- ๐ Forced extraction will result in loss of all data on the map and errors in the system.
๐ก
Always extract. SD-Map via phone menu โ this prevents file system damage and data loss.
How to speed up the work of SD-card on Xiaomi
If the memory card is slow, try these methods:
- โก Turn off optimization. MIUI: Go to Settings. โ Special facilities โ Optimization MIUI. Turn off the option of memory optimization.
- โก Use the class map A2: Only maps with markings are suitable for installing applications A2 (For example, SanDisk Extreme A2).
- โก Move only light apps: Games and heavy programs (like Lightroom) should be left in internal memory.
To check the speed of the card, use the A1 SD Bench app (available on Google Play). Normal scores for A2:
- ๐ Reading: 80โ100 MB/s.
- ๐ Recording: 30-50MB/s.
If the speed is lower, the card is either fake or worn out. Check it on another device.