Owners of modern Xiaomi smartphones often face a lack of internal memory, especially if they actively shoot high-resolution video. Moving media files to an external drive is the most effective way to free up space without losing important data. In MIUI and HyperOS devices, this process has its own nuances that must be considered for the correct operation of the system.
The main difficulty is that Android, which runs Xiaomi smartphones, strictly separates the system partition and external memory. Simply copying files does not always solve the problem, since the camera can still try to write data to internal storage.
In this article, we will discuss in detail how to correctly organize work with an external drive. You will learn about file system formats, methods for transferring already captured material and how to automate the recording of new videos directly to the computer. SD-map.
Preparation of a memory card and smartphone
Before you start any data manipulation, you need to make sure that the memory card is working properly and compatible. Not all microSD cards work equally well with Xiaomi smartphones, especially when recording video in 4K. Read and write speed plays a critical role: if the card is too slow, video recording can be interrupted or freeze.
It is recommended to use UHS-I or UHS-II cards labeled Class 10. Older standards may not be able to handle the flow of data from a modern smartphone camera. It is also worth checking the card for errors by connecting it to a computer before installing it in a phone.
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Use memory cards up to 256GB for maximum compatibility, even if the specification claims to support larger volumes.
After physical installation of the card in the slot (usually combined with a tray for SIM-Android should recognize the new device. If this does not happen, try to remove and paste the card again, making sure it snaps before the characteristic click.
- π± Make sure your smartphone is turned off or use the hot replacement feature if the model supports it.
- πΎ Check the speed marking on the memory card case (look for the "U" icon with the number inside).
- π Make sure that the Lock plastic switch on the adapter (if used) is not in the locking position.
- π§Ή Clean the contacts of the memory card with a soft dry cloth before installation.
File system configuration and formatting
Xiaomi smartphones typically support two main file systems for external drives: FAT32 and exFAT. The choice between them depends on the size of the card and the size of the files you plan to store. FAT32 is an old standard with high compatibility, but it has a limitation: one file can not be larger than 4 GB.
For high-resolution video files that often weigh more than 4 GB, FAT32 is not suitable. In this case, you need to use exFAT. This format is free of file size restrictions and optimized for flash memory. However, some older devices or car radios may not read exFAT.
β οΈ Attention: The formatting process completely destroys all the data on the map. Be sure to copy important files to your computer before starting the procedure.
To format a card with a smartphone, go to the settings. The path may vary slightly depending on the version of the shell, but the logic remains the same. You usually need to choose the mode of use of the drive: as a portable storage or as part of internal memory.
Portable storage is the best way to transfer video, in which case the card remains readable on other devices without re-formatting, and Internal Memory mode encrypts the data, making it available only to that particular smartphone.
| Parameter | FAT32 | exFAT | NTFS |
|---|---|---|---|
| Max. File size. | 4GB | No restrictions. | No restrictions. |
| Compatibility with Android | Complete. | Complete. | Partial (driver needed) |
| Compatibility with Windows | Complete. | Complete. | Complete. |
| Recommendation for video | Not suitable. | Recommended | Not recommended |
Transferring existing videos through Explorer
The easiest way to move videos that have already been shot is to use the built-in Explorer app. In Xiaomi smartphones, it's simply called Explorer or File Manager, which allows you to work with the file system without installing additional software.
Open the app and find the DCIM folder that houses the Camera folder, which is where all your photos and videos are stored by default, select the files you want with a long press, or select the "Select All" option if you plan to migrate the entire archive.
Once you have selected the files, click on the "More" button (three dots) and select the "Move" action. The system will suggest selecting the target directory. SD-map (often referred to as sdcard1 or by the name of the card manufacturer and create a new folder there, for example, Video_Archive.
βοΈ Algorithm of file transfer
The process of copying large amounts of data can take time. It is not recommended to fold the application or block the smartphone screen during the active transfer phase to avoid write errors.
- π Create themed folders on a memory card for easy navigation.
- β³ Do not interrupt the movement process, even if it seems to be suspended.
- π Check the vacant space before the operation.
- πΌ Remove originals only after successful verification of copied files.
Automatic video recording on SD card
To avoid manually transferring files every time, you can set your smartphone camera to automatically record video directly to an external drive, a feature that is especially useful for video bloggers and those who shoot a lot of content on travel.
Go to the Camera app and click on the menu icon (three bars) in the top right corner. Select Settings. In the options list, find the section associated with the storage. It can be called Save on SD-map" or "Path of conservation".
Activate the switch in front of the appropriate item. Please note that this setting can only be applied to new images and videos. Files made before this option is enabled will remain in internal memory.
What to do if the SD save button is inactive?
Itβs worth noting that when recording ultra-high resolution video (like 8K or 4K at 60 frames per second), a smartphone can ignore the setting and write to internal memory, due to the speed limits of external drives that canβt handle this flow of data.
Use of Third-Party File Managers
Xiaomiβs regular Explorer is functional, but sometimes more advanced tools are needed for complex operations, and applications like Solid Explorer, FX File Explorer, or Total Commander provide advanced file management capabilities.
The main advantage of third-party managers is that they can work with two panels simultaneously, and this allows you to visually control the transfer process: on the left, the original folder in the internal memory, on the right, the target folder on the back of the data. SD-This approach minimizes the risk of error.
In addition, many alternative conductors can check file checksums after copying, which ensures complete identity of data, which is critical when archiving unique video footage.
β οΈ Warning: When installing third-party file managers, give them only the necessary permissions. Avoid applications with dubious reputations that require access to contacts or microphones.
Some managers allow you to create automatic scripts, for example, you can set a rule: "All files from the Download folder older than 7 days move to the SD card," which helps maintain order in the system without user intervention.
Solutions and optimization of work
Users may encounter a variety of problems during operation, and one of the most common is the "File is too big" error when trying to copy to a card, which is a direct indication that the card is formatted in FAT32 and the video file is larger than 4 GB.
Another common situation is slow gallery work or long downloads of video previews, which may indicate low card speed class or file system fragmentation, in which case formatting the map again with the choice of exFAT file system helps.
Also worth mentioning is the Cleanup feature in Xiaomi's settings. Sometimes the system tags files on SD-The map is like "large files", occupy space, but does not suggest removing them, because they are on an external medium.
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For stable work with 4K video, use only cards marked U3 or V30.
If your smartphone stops seeing your memory card after a long period of time, try restarting the device. In rare cases, you need to remove the card, wipe the contacts, and paste back. Persistent reading errors can signal physical wear and tear on the drive.
- π Regularly back up important videos to your computer or the cloud.
- π‘οΈ Avoid sharp card extraction while writing or reading data.
- π§Ή Once every six months, check the card for errors through the settings menu.
- π Watch the temperature of your smartphone for long video recording.