Modern Xiaomi smartphones have an impressive amount of internal memory, but to work with large files or backup often requires an external medium. USB-adapter OTG — It is a standard feature available on most of the brand’s models, from budget Redmis to flagship Mis. The process is physically simple, but software-based file system setup may require attention, especially if the drive has previously been used on a Windows computer.
Owners of devices with a MIUI shell or a new HyperOS may encounter a situation where the system sees the device but does not display files. This often involves formatting the disk into an unsupported file system or lacking the necessary permissions for the Explorer system application. In this guide, we will discuss all the stages of connection, from choosing the right adapter to force formatting the drive by means of the smartphone itself.
To start work, you will need the flash drive itself and a special adapter, which is called OTG-Without this accessory, the physical connection is impossible, because the connectors are not connected. USB Type-C on phones and standard USB-A The current Xiaomi models support the protocol. OTG «out of the box, so you don’t need to install drivers – it’s enough to simply connect devices.
Selection of suitable equipment and adapters
The first step is to purchase a quality adapter. Cheap Chinese cables often do not withstand the declared data rate or have poor contact, which leads to constant shutdowns of the drive while reading files.
It is important to consider the USB standard that supports your smartphone. If you own a flagship with a USB 3.0 port or higher, using an old USB 2.0 cable will significantly limit the speed of copying files. To watch movies in high resolution (4K) directly from a flash drive, this can be a critical factor in causing delays and jerks of the image.
Also worth paying attention to is power consumption. Mechanical hard drives (HDD) They require more power than compact flash drives. In some cases, the power of a single port of the phone may not be enough to spin the disk, and you will need a Y-shaped cable with additional power or active power. USB-hub.
- 🔌 Type of connector: Make sure the plug is OTG-The cable corresponds to your phone’s port (Type-C or Micro-USB).
- ⚡ Current: To connect external HDD Choose cables with additional power supply.
- 📏 Cable length: Cables that are too long (more than 1 meter) can reduce signal stability.
Instructions for physical connection
The process of connecting the equipment does not require special skills, but following the sequence of actions will help to avoid software errors when determining the device by the system. First, it is recommended to insert the OTG adapter into the smartphone connector, and then connect the flash card to it, which will allow the system to correctly register a new event in the port.
After the physical connection in the upper corner of the screen (in the status bar) should appear icon. USB-If the icon appears but the notification disappeared too quickly, try unlocking the screen and pulling the notification curtain down - there may be a message about the possibility of viewing files.
In the rare cases where the system is not fully responsive, it is worth checking whether the phone's charging connector is contaminated.The accumulation of dust and pile often prevents the plug from entering fully, causing the contact to not close and the OTG mode to not activate. Carefully clean the port with a wooden toothpick or compressed air.
☑️ Connection check
⚠️ Note: Do not try to extract the flash drive while actively writing or reading data. This can damage the file spreadsheet and lose information. Always use the Safe Retrieval feature».
File Manager configuration and access to data
Once successfully connected, Android typically automatically launches the file manager. Xiaomi smartphones use the File Manager app by default, with a yellow folder icon. If auto-run has not occurred, open this application manually through the menu of all programs.
In the Explorer interface, you need to switch to the tab or partition that handles external drives. Depending on the version of the MIUI shell, it can be a separate tab "USB" or a section in the side menu, which displays the contents of your USB drive, and you can copy, move or delete files.
If you plan to use a flash drive to install applications or as an extension of internal memory, you can't do this without root rights, but for multimedia and documents, a standard conductor is quite enough. You may need a third-party player, such as a VLC or MX Player, to watch videos in high bitrate.
The path to files: /storage/USBDiskX/Sometimes the system asks permission to access photos and media files. This is standard Android security procedure, and you have to grant access, otherwise you will see an empty folder instead of your documents. Confirm the request in the dialog box to open full access to the content.