Using an external drive is the easiest way to instantly increase the available space on your smartphone. owners of Xiaomi, Redmi and Poco devices often face memory shortages when space runs out for new photos or videos. USB-flash drives through a special adapter allows you to solve this problem in seconds without losing data.
Today’s Xiaomi smartphones are equipped with USB Type-C or Micro-USB ports that support OTG (On-The-Go) technology, which allows the gadget to work in host mode, that is, to power and read information from external devices, you do not need complex settings or root rights to start working with external storage.
In this article, we will go into detail about the entire process, from choosing the right adapter to formatting the drive into the desired file system, you will learn how to properly extract devices so as not to damage files, and what video and audio formats your MIUI or HyperOS operating system supports.
Equipment and compatibility checks required
Before trying to connect the drive, you need to make sure that the right hardware is available.Most current Xiaomi models released after 2016 support the technology. OTG But the port itself doesn't have a standard port. USB-So you need a special adapter, so you need a special adapter.
adapter OTG — It is a small cable or monolithic adapter, on one side of which there is a plug inserted into the phone (Type-C or Micro-USB), and on the other - a classic plug. USB-When buying a port, it is important to pay attention to the bandwidth of the cable, especially if you plan to connect heavy external hard drives, not just flash drives.
- 📱 adapter OTG Type-C connector for new Xiaomi models.
- 🔌 Micro-USB adapter for budget smartphones Redmi old series.
- 💾 USB-drive (flash drive) up to 256 GB for optimal compatibility.
- ⚡ External power supply (to connect hard drives without own power supply).
⚠️ Note: When connecting energy-intensive external hard drives, the power of the phone port may not be enough. USB-hub with additional power, otherwise the device may not be determined or discharge the battery of the smartphone.
It is worth noting that the file system of the drive plays a critical role. Android, on the basis of which the shell MIUI runs, "out of the box" perfectly reads the formats FAT32 and exFAT. If your flash drive is formatted in NTFS (Windows standard), the phone may offer to format it, which will delete all data, or will not see it at all without third-party software.
Preparation of the flash drive: file systems and formatting
The ideal option for Android smartphone compatibility is the exFAT file system. It supports files larger than 4 GB, unlike FAT32, and has no limits on the amount of the drive itself. If your flash drive is new, it is likely ready to go, but older drives are better prepared in advance on your computer.
The formatting process can be done right on the phone if the system detects the device, but it will not be available for recording. USB-Clicking on it will take you to the control menu, where Xiaomi will offer to format the device.
If you use a computer for pre-preparation, follow the algorithm:
- Put the flash drive in the PC.
- Open "My computer", right-click on the disk.
- Select "Format."
- In the File System field, specify exFAT or FAT32.
Once the process is complete, the drive will be fully ready to sync with the mobile device. It is important to understand that formatting completely destroys data, so pre-copy important documents and photos to backup media.
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If you often migrate files between Windows and Xiaomi, choose the exFAT format.It provides better compatibility and supports files over 4GB, which is critical for high-resolution video.
Physical connection and OTG setup
Unlike some brands where OTG needs to be activated manually, Xiaomi and Redmi smartphones have this option enabled by default and work automatically. You don't have to search for hidden menus or enter special codes into the engineering menu.
To start, simply insert the adapter. OTG Make sure the plug is in tightly to the characteristic click or stop. USB-A flash drive to the adapter's free port. 1-3 At the top of the screen, a notification about the connection of the external USB-device.
If the notification does not appear, check the following points:
- 🔍 Is the adapter tightly inserted into the phone connector (often interferes with the case).
- 🔋 Is the battery enough (at low charge, the system can block the energy output).
- ⚙️ Is the debugging active? USB (Sometimes it helps to switch the mode of operation. USB).
In the rare cases where the device is connected but not identified, it is worth checking the developer's settings. Go to Settings → About Phone and 7 times click on the MIUI version. Then, in the Advanced Settings menu → For developers, find the option "Default USB Configuration" and select "File Transfer (MTP)".
☑️ Diagnostics of connection
File Management: Conductor and Data Management
Once successfully connected, you can access files through the standard File Manager app, which is pre-installed on all Xiaomi smartphones. A new section will appear on the side menu or on the main screen of the conductor, usually designated as USB or the name of the flash drive manufacturer.
The file management interface on HyperOS and MIUI allows you to perform all the basic operations: copy, move, rename and delete. You can drag photos from internal memory to a flash drive with a long tap on the file and select the corresponding button in the bottom menu.
| Operation | Action in a conductor | Hot key (if any) |
|---|---|---|
| Copying | Select → Copy → Insert | Long tap + copy |
| Relocation | Select → Move → Move → Insert | Long tap + Move over |
| Removal | Select → Basket/Delete | Cross or Delete |
| Rename | Properties → Rename | Three points. → Rename |
For advanced users, third-party file managers such as Total Commander or FX File Explorer are available, providing more flexible access to system folders and allowing you to work with archives of ZIP and RAR formats directly on a flash drive.
Hidden folders on a flash drive
Multimedia reproduction and work with documents
One of the most popular features of connecting a flash drive is watching videos and listening to music directly from an external drive. The standard MIUI Video player automatically scans the connected storage and adds content to the media library.
The system supports most modern codecs, including H.264, H.265 (HEVC) and VP9. This means you can watch movies in 1080p and even 4K resolution without first copying to internal memory, saving precious space.
When working with documents (PDF, DOCX, XLSX), the phone can request permission to access files, in which case you need to confirm the action in the pop-up window. If the built-in tools fail to open the file, the system will prompt you to select an application from the Play Market, such as WPS Office or Microsoft Office.
⚠️ Note: When playing high bitrate video (for example, 4K 60fps) This is normal for the processor to decode the flow, but it is recommended to make sure that the temperature of the case does not become critical.
Audio files are also played without delay. You can connect quality USB-DAC or just a flash drive with (lossless music to the phone and enjoy the sound through wired headphones or Bluetooth translator.
Safely extracting and resolving problems
The most important part of the instruction is to properly disable the device. Android has a recording caching mechanism, so simply pulling out the flash drive can damage the file spreadsheet and lose data. Always use software extraction.
To do this, lower the notification curtain and find the notification about the connected USB-Press the button "Secure extraction" (or "disable"USB-Drive is disabled" you can physically remove the adapter from the phone.
Common problems and their solutions:
- 🚫 The flash drive is not visible: Try another adapter OTG, Maybe the cable's broken.
- 📉 Files are copied slowly: Speed is limited by the standard USB 2.0 in older models or the quality of the adapter itself.
- 🔒 Formatting error: Make sure there is no physical lock on the flash drive (Lock switch), although this is rare on adapters.
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Never ignore the safe extraction procedure: Damage to the exFAT file system on a phone is harder than on a computer and may require full formatting.
If none of the methods help