Owners of Xiaomi security cameras often face the need to extract footage from a computer or smartphone for archiving or editing. The standard procedure looks simple, but in practice users may face file system limitations, encryption features, or no visible folders when connecting to a PC. Understanding the storage architecture of Mijia and Yi cameras is a key success factor.
There are several proven methods for extracting media content, each with its own advantages depending on the amount of data and connection quality. The choice of method depends on whether the device has a microSD memory card or you plan to work with cloud storage. In this article, we will discuss all the current options, including the nuances of working with the FAT32 and NTFS file system.
Don’t ignore the specifications for memory cards, as the use of poor-quality media often leads to the loss of important records. Xiaomi cameras are demanding to write speed, especially when shooting in 2K or 4K resolution. We will consider how to properly prepare the drive and avoid common mistakes when copying large amounts of data.
Preparation of memory card and verification of file system
Before you start copying, you need to make sure that the memory card is formatted in a compatible format. Xiaomi security cameras work correctly with the FAT32 file system, which has a limit on the size of one file at 4 GB. If you use a large card, the system can automatically split long videos into segments, which is important to consider when searching for the desired fragment.
To check the status of the drive, go to the Mi Home app and go to the camera-specific settings. Storage settings display the total volume, occupied space and current recording status. If the system reports read errors, you will need to format directly through the application interface, which is guaranteed to create the desired folder structure.
⚠️ Note: Formatting a memory card through a computer can cause the camera to stop seeing the drive. Use the Format function inside the Mi Home app to create the correct directory structure.
When working with files, it is important to understand that video archives are usually divided into one-hour or half-hour segments, this is done for easy storage and data protection: if one file is damaged, the rest will remain intact. When copying to a computer, it is recommended to save the original folder structure so that you can easily navigate the dates and times of the recording in the future.
Modern camera models support memory cards up to 256 GB, but for stable operation it is better to choose proven brands with a high recording speed class. Low speed Class 10 or higher is mandatory for recording high-resolution video without frame gaps. You can check the real speed of your card using specialized utilities on your PC before installing it in the camera.
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Use Samsung’s High Endurance or SanDisk memory cards, as they are designed for the cyclical overwriting characteristic of CCTV systems.
Direct connection via USB-cable
The fastest way to copy a video is to connect the camera directly to the computer if the device model supports USB Mass Storage, using a high-quality Micro-USB or USB Type-C cable that can transmit not only current, but also data. Cheap charging cables often do not have the necessary contacts to transmit information.
After a physical connection in the application on the smartphone or on the camera screen (if there is a display), a request for permission to access data may appear. Confirm the action so that the computer recognizes the device as an external drive. My computer will have a new disk that will contain folders with a video archive.
☑️ Connection check USB
If your computer can’t see the camera, try replacing it. USB-port to ports located directly on the motherboard (back of the system unit). Front ports often do not provide enough power or have poor contact. It is also worth checking the Device Manager in Windows for unknown devices with a yellow exclamation mark.
In some cases, the camera may not be defined as a drive, but only as a debugging device, which will require the activation of the developer mode or the use of special drivers, which can be found on the official Xiaomi support website.
Removing a memory card through a card reader
The most reliable and versatile method of copying video is to extract the microSD card and connect it to the PC via a card reader, which provides maximum data transfer speed, since it eliminates the mediation of the camera processor and the limitations of wireless interfaces. You'll need an adapter. SD or USB-cardreader.
It's important to extract the card correctly: some camera models require power off before extraction, others support hot replacement. Once removed, insert the card into the card reader and connect it to the computer, the system recognizes the card sections, and you will access the files directly.
⚠️ Warning: Removing a memory card while the camera is actively recording or operating may damage the file table and lose the last recorded video snippets.
The computer will open a Explorer window where you need to find a folder called MIOT or Yi, which usually houses a video directory inside. Files can have obscure names consisting of dates and times, so navigate by the time of the modification of the file. Copying large amounts of data is better done by dragging entire folders, not individual videos.
Once you have finished copying, be sure to safely extract the device via the Windows or macOS system tray. Abruptly shutting down the card reader can damage the file system, and the camera will again require formatting the next time you install the card.
What to do if your computer asks you to format your card?
Copying through the Mi Home app on a smartphone
If physical access to a camera or memory card is limited, you can use the wireless method through the Mi Home app, which is convenient for downloading short fragments or individual events recorded by the motion sensor, but it is less suitable for unloading a full archive in a day due to time constraints and connection stability.
To start, open the app, select the camera you want, and go to View or Album, which shows all recorded events, select the clips you need, click on the download icon or Save. The video will be uploaded to your smartphone gallery.
The download speed is directly dependent on the speed of your Wi-Fi connection and/upload the speed of the Internet channel, if the video is stored in the cloud. When locally copied (when the phone and camera are on the same network), the process is faster, but still inferior to the wired connection. Large files can download tens of minutes.
After saving the video on the phone, you can transfer it to the computer by any convenient means: USB-cable, messengers, cloud drives or over the air (AirDrop, Quick Share).Please note that the application can compress video when exporting, reducing the original quality, if the settings of the original resolution are not selected.
Using Xiaomi Cloud Cloud Storage
Xiaomi Cloud subscription holders can manage video archives via a web interface, which allows you to access recordings from any device with Internet access without having to be physically present next to the camera.
In the web version of the cloud, go to the device section and select the camera, and you'll have a calendar with marked dates when you recorded it, you can view the archive and download individual videos to your computer's hard drive, and the interface is intuitive and requires no special skills.
The main disadvantage of this method is the dependence on Internet connection speed and tariff restrictions of the cloud. Free tariff usually offers very little space, so for long-term storage of archives you will have to buy additional gigabytes.
Some users use Android emulators on PCs to automate the process by installing the Mi Home app, which allows you to control the camera and download video with your mouse and keyboard, which is sometimes more convenient than using a web interface, but this requires additional computer resources and setting up the emulator.
Network connection via ONVIF and FTP
For advanced users and smart home systems, a method of copying over a local network using ONVIF or FTP protocols is available. Xiaomi cameras (especially models for the global market or re-flashed) can stream or give files over the network, which allows you to set up automatic video upload to the NAS or server.
To activate this feature, you often need to access advanced camera settings, sometimes via Telnet access (which may violate warranty).In a standard app, these features can be hidden.If the camera supports RTSP, you can use the VLC player to record the stream in real time.
Setting up FTP-The server on the computer allows the camera to automatically reset records when filling in the buffer or on a schedule. This is the most professional approach, ensuring the reliability of data storage even in the event of theft of the camera itself.
A comparison of the main copying methods is presented in the table below, which will help you choose the best option for your situation.
| Method | Speed. | Convenience | Equipment required |
|---|---|---|---|
| cardreader | Tall. | Average. | Cardreader, PC |
| USB-cable | Medium | High. | Data cable, PC |
| Mi Home appendix | Low. | High. | Smartphone, Wi-Fi |
| Xiaomi's Cloud | Depends on the network. | High. | Internet, Subscription |
Possible problems and ways to solve them
When copying videos, users often encounter a problem when files are not opened or are 0 KB in size. This may indicate that the recording was interrupted due to a voltage surge or poor memory card contact. In such cases, try using video recovery programs such as Untrunc or VLC with function.
Another common problem is that the computer sees the map but can't read the contents of the folders, often because the camera has locked files or uses a specific name encoding, and try to copy files through the command line or Linux system, which is less demanding on file attributes.
⚠️ Warning: If the camera stopped recording video after the card was removed, check if the mechanical Lock switch on the adapter is shifted. SD-map.
There are also possible errors when copying very long files. The FAT32 file system does not support files larger than 4 GB. If your video needs to be larger, the camera will automatically break it. If you see a file that is exactly 4 GB in size, then the record may have broken or it is a system restriction.
To minimize errors, regularly check the health of the memory card. Use the h2testw utility on Windows, which records test data and checks its integrity, to help identify fake memory cards, which are often sold on marketplaces and quickly fail.
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Regularly backing up important records to an external hard drive is the only way to ensure that your video archive is safe for the long term.