Data transfer from SD-Xiaomi smartphone cards seem like a simple task, but in practice users face nuances: from the lack of a memory card slot in new models to file system reading errors. In this article, we will analyze all the current methods of file transfer β from classical connection via an adapter to cloud services, taking into account the features of firmware. MIUI 14/15 and hardware limitations of Redmi devices, POCO Xiaomi series 12/13/14.
We will pay special attention to models without a microSD slot (for example, Xiaomi). 13 pro POCO F5 Pro, where alternative solutions such as OTG-cable or wireless transmission, and for owners of devices with a hybrid slot (for example, Redmi Note) 12 Pro+) We'll explain how to avoid data loss when you extract the card. All instructions are tested on current firmware versions and take into account the limitations of the file system. exFAT/FAT32.
Preparation: compatibility check SD-maps and telephones
Before transferring files, make sure your SD-Most Xiaomi smartphones support memory cards up to 1TB, but there are key nuances:
- π± Hybrid slot: In models of Redmi Note 11/12, POCO X4/X5 second-slot SIM-The cards can be used under microSD, but the possibility of two cards is lost. SIM. Check in Settings β SIM-maps and mobile networks.
- π« Lack of slot: Xiaomi's flagships 12/13/14, Mix 4/Fold They do not have a memory card connector, you will need to OTG-adapter.
- π File system: Cards with 64 GB or more are usually formatted in exFAT, which is supported. MIUI Since version 12. FAT32 There is a limit on the file size of 4 GB.
If the phone can't see SD-map, follow the following steps:
- Remove the card and check it on another device (such as a laptop).
- On your phone, go to Settings. β Memory. β Memory settings β Format (the data will be deleted!).
- Update the firmware: in Settings β The phone. β Updating the system.
β οΈ Attention: Maps SDXC (Over 32GB may not work on older Xiaomi models (e.g. Redmi) 5A or Mi A1). In this case, you will need an adapter with support for exFAT or replacement of the card with a new one. SDHC (32GB).
Method 2: Direct transfer through a memory card slot
The most obvious method is to use an embedded microSD slot, if you have one in your model. 10/11/12, POCO X3/X4, Xiaomi Mi 10 Lite and other devices with hybrid or dedicated slot.
Step-by-step:
- Put it in. SD-card to the slot (if necessary, remove the second card). SIM-map).
- Open the Files app (the folder icon on the desktop).
- Go to the Device section β SD-map.
- Select the required files (long press). β ticks) and click Copy or Cut.
- Return to the Internal Memory section, select the destination folder (for example, DCIM for photo) and press Insert.
To speed up the process, use the packet mode:
- π Click on three dots in the top right corner of the Files app β Choose everything.
- π Filter files by type (photos, videos, documents) using the funnel icon.
- β‘ For large files (>1GB) Use Cut instead of Copy to save space.
| Action. | Transfer time (10 GB of data) | Risk of data loss |
|---|---|---|
| Copying | 10-15 minutes | Low (originals remain on the map) |
| Cut out + Insert | 8-12 minutes | Medium (if the files fail, they may disappear) |
| Moving through a PC | 5-8 minutes | Low. |
β οΈ Note: If there is an error βNot enough spaceβ when transferring files, check the free space in internal memory through Settings. β Memory: Delete the application cache or transfer some of the data to the cloud (about this in method 4).
Check the free space on the phone (at least 10% of the data transfer volume)
Charge your phone at least 50% (for long-term operations)
Extract. SIM-card if the slot is hybrid
Backup important files on your PC-->
3. Method 2: Use of OTG-Adapter for models without slot
If your Xiaomi does not support memory cards (for example, Xiaomi 13 Ultra or other devices). POCO F4 GT), use OTG-adapter (USB-C β microSD USB-A). This method is universal and works even on devices with a damaged slot.
What you need:
- π OTG-adapter (cost from 100) β½, Check compatibility with USB-C or micro-USB).
- πΎ Cardholder (if the adapter is not built-in).
- π Charging your phone (transferring large files drains the battery).
Instructions:
- Connect. OTG-Adapter to the phone and to it β a memory card (through the card reader, if necessary).
- Notifications will appear "USB-The drive is plugged in. Press it.
- Choose Use as USB-Driver (or Transfer files in new versions) MIUI).
- Open the Files app. β USB-drive and transfer data as in method 1.
If the phone does not see the card OTG:
- π Reconnect the adapter or try a different port (if you use the hub).
- π± Check the developer settings: Settings β The phone. β Version. MIUI (press 7 times) β For developers β Configuration USB default β File transfer.
- π§ Format the map in FAT32 (if she NTFS β MIUI It does not support this file system).
π‘
If OTG-The adapter is not working, try connecting it through USB-Some Xiaomi models (such as the Black Shark 5) require additional voltage to maintain the peripheral operation.
Method 3: Transfer over a computer (the most reliable method)
Using a PC or laptop as a middleman is the safest way, especially for large amounts of data (e.g., transferring 100GB of photos from the camera). OTG.
Equipment required:
- π» Computer with Windows/macOS/Linux.
- π Cable USB (It is a very good idea to use Xiaomi for stable speed).
- πΎ Cardholder (built into a laptop or external).
Step-by-step:
- Put it in. SD-card to the card reader and connect to the PC.
- Connect your phone to your computer through USB-cable.
- On the phone in the notifications, select File Transfer (or MTP).
- On PC, open This PC (Windows) or Finder (macOS) β you will see two devices: the phone and the device. SD-map.
- Copy files from the card to the PC, then from the PC to the phone (for example, in the Internal Storage folder). β DCIM).
To speed up the process:
- π Use it. USB 3.0 (blue connector) and high speed cable.
- π Archive files in ZIP/RAR before the penos (especially if there are many small files).
- π Connect your phone to charging while copying to avoid discharge.
β οΈ Note: If the phone is connected to the PC, it makes an error "USB-device not identified", try: Reconnect the cable to another port. Update drivers MTP on PC (via Device Manager). Enable Debugging USB Developer settings (for experienced users only!).
How to enable debugging on USB?
5. Method 4: Wireless transmission via Mi Share or third-party applications
If you do not have any cables or OTG-Xiaomi offers a built-in solution β Mi Share (formerly Mi Drop), and also supports popular services like Nearby Share (from Google) or Snapdrop.
Mi Share (for phones) Xiaomi/Redmi/POCO):
- On both devices (if you use the second phone as an intermediary) open Settings. β Connection and sharing β Mi Share.
- On the recipient phone, select Receive Files.
- On the device with SD-with the card (or second phone) select files in the Files application, click Send β Mi Share.
- Confirm the transmission on both devices.
Alternative apps for transfer:
| Annex | Speed. | Limitations | Reference |
|---|---|---|---|
| Snapdrop | Up to 20MB/s | Works through the browser, without registration | snapdrop.net |
| Send Anywhere | Up to 50MB/s | 10 GB at a time in the free version | Google Play |
| LocalSend | Up to 30MB/s | Open source, without advertising | GitHub/F-Droid |
For transmission via Snapdrop:
- Open snapdrop.net on your phone and PC (or second phone) in the same Wi-Fi.
- On the device with SD-Click on the recipient phone icon.
- Select the files and confirm the shipment.
β οΈ Note: When transferring large files (>1 GB) Wi-Fi is possible to interrupt communication: πΆ Connect to the router at 5 GHz (it is more stable for the local network). π Close background apps that consume traffic (such as YouTube or updates). π If the transfer is interrupted, repeat it from the same place β most applications support resume.
π‘
Wireless transmission is convenient for small files (photos, documents), but for video in the video 4K or large archives are better to use cable or OTG β It's faster and more reliable.
6. Method 5: Cloud services (Google Drive, Mi Cloud, Yandex Disk)
If you need to transfer files without a physical connection (for example, from a camera card to Xiaomi), use cloud storage, which is suitable for backing up or transferring files between devices in different locations.
Instructions for Google Drive:
- On a PC or other phone, download files from SD-Maps in Google Drive (via browser or application).
- On Xiaomi, open the Drive app and log in to the same account.
- Find the downloaded files and click Download (or Save to your device).
Comparison of cloud services:
- π Google Drive: 15GB free, integration with Google MIUI (pre-installed on most models).
- βοΈ Mi Cloud: 5GB free, sync with Xiaomi account, but slower Google Drive.
- π Yandex Disk: 10 GB free, high download speed in Russia.
- π iCloud: Not recommended for Xiaomi (no native integration).
To save traffic:
- π‘ Upload files to the cloud via Wi-Fi, not mobile internet.
- π¦ Use the archives (ZIP/RAR) before loading.
- π In Google Drive, enable Traffic Saving in the App Settings.
β οΈ Note: When downloading files to Mi Cloud via mobile network, Xiaomi may block the transfer of large files (>500MB. To remove the restriction, go to Settings. β SIM-maps and mobile networks β Transfer of data β Background limit and disable the restriction for the Mi Cloud app.
7 Problem Solving: Reading errors, corrupted files, slow transfer
When transferring files from SD-Xiaomi cards can be made errors. Let's look at the most common ones and how to fix them.
Problem 1: The phone can't see SD-map
- π Check the physical connection: Remove and paste the card again.
- π§ Format the map in FAT32 or exFAT via PC (data will be deleted!).
- π± Update the firmware: Settings β The phone. β Updating the system.
- π οΈ If the slot is damaged, use it. OTG-adapter.
Problem 2: Error "File corrupted" or "Failure to copy"
- π Try copying the file on your PC, then on your phone.
- π Check the map for errors through CHKDSK (Windows: Open the Command Prompt and enter chkdsk E: /f (Replace E: with the letter of your disk).
- ποΈ If the file is critical, use recovery programs (Recuva, PhotoRec).
Problem 3: Slow transmission speed
| Reason. | Decision |
|---|---|
| Class 4/6 card | Replace it with Class. 10/UHS-I (speed 30 MB/s). |
| USB 2.0 on PC | Connect to the port. USB 3.0 (blue connector). |
| Background processes on the phone | Turn on Airplane Mode and close all applications. |
| Fragmentation of files on the map | Format the map (pre-copy the data!). |
Problem 4: There is not enough space on the phone
- π§Ή Clear the cache: Settings β Memory. β Clear the cache.
- ποΈ Move the applications to SD-map (if supported): Settings β Annexes β Select an application β Memory. β Change.
- βοΈ Upload some files to the cloud (see method 5).