Smartphone users Xiaomi Redmi often encounter a situation where, after connecting the cable to the computer, the device only begins to charge and is not displayed in the explorer. This is standard security behavior Androidand requires manual intervention to activate drive mode. Without proper settings, sharing photos, documents and backups becomes impossible.
Unlocking the file transfer function is not difficult, but the shell interface MIUI or HyperOS may hide the necessary items in different sections of the menu. In some cases, the problem lies not in the phone settings, but in the quality of the cable itself or the drivers of the personal computer. Understanding the logic of the ports will help you quickly troubleshoot the problem.
In this guide we will look in detail at all the ways to switch the operating mode of a USB port. You will learn how to enable debugging for advanced tasks, which cables are suitable for data transfer, and how to fix connection errors if the system does not see the device.
Basic setup of USB mode when connecting
The simplest and most common way to change the port operating mode is available immediately after the devices are physically connected. When you insert the plug USB Type-C or Micro-USB into the smartphone connector, the system selects the “Charge Only” mode by default. This is done to protect data from unauthorized access when connecting to public charging stations.
To change this behavior, you need to lower the notification shade by swiping from top to bottom. There you will see a system message about the connection status, for example, “Charging via USB”. Clicking on this line opens an additional menu with a choice of operating modes.
In the list that opens, select the item File transfer (sometimes called MTP or Media Transfer Protocol). After this, the computer should make the characteristic sound of connecting new equipment, and your phone icon will appear in the explorer.
⚠️ Attention: If the connection notification does not appear in the curtain even after repeatedly reconnecting the cable, try unlocking the smartphone screen before connecting. On a locked device, notifications may be hidden for privacy purposes.
Use the original cable included in the package - cheap analogues often have only two wires inside and are physically unable to transmit data, working solely for charging.
Sometimes the system can automatically reset the selection when the cable is disconnected. In this case, the procedure must be repeated with each new connection, unless you have enabled permanent debugging mode, which will be discussed below.
Activating USB debugging mode for advanced capabilities
For users who require a stable connection to work with console utilities, install applications via ADB or deep diagnostics, regular MTP mode may not be enough. In such cases, you need to activate the developer menu and enable debugging.
The hidden “For Developers” menu in the shell MIUI is activated through phone information. You will need to find the item “MIUI Version” or “OS Version” and quickly click on it 7-10 times in a row until a pop-up message appears indicating successful activation.
After this, a new section will appear in the main settings Additional → For developers. Inside this menu you need to find the switch USB debugging and activate it. The system will issue a warning about potential risks, which must be confirmed.
- 🔌 Connect the phone to the PC and allow access to data in the dialog box that appears on the smartphone screen.
- 🛡️ Select the “Always allow from this computer” option so as not to confirm the action every time.
- ⚙️ Check the “Default USB configuration” item and set the “File transfer” value.
Activating this mode makes the device visible to specialized software, but also increases vulnerability when connecting to other people's computers. Do not leave debugging permanently enabled unless necessary.
Diagnostics of problems with cables and ports
Often the reason for the lack of data transfer lies not in the software settings, but in the physical state of the components. Charge-only cables do not have internal lines to carry data signals. Visually, they may be no different from full-fledged cables.
It is also worth inspecting the connector USB on the smartphone itself. Over time, dust, lint from pockets and oxides accumulate there, which prevent the tight contact of all contacts inside the port. Even if charging is in progress, the data contacts may remain open.
Try using a different port on the computer. The front ports of the system unit often have insufficient voltage or poor contact due to long internal cables. Rear ports, soldered directly to the motherboard, operate more stable.
| Type of fault | Symptoms | Probable solution |
|---|---|---|
| Poor quality cable | Charging is in progress, but the PC does not make connection sounds | Replacing the cable with a certified Data cable |
| Port contamination | The cable is not inserted completely, the connection is unstable | Carefully cleaning the port with a wooden toothpick |
| Lack of drivers | In the device manager you can see “Unknown device” | Installing ADB or Mi PC Suite drivers |
| System failure | The USB mode selection menu does not appear | Restarting the smartphone or resetting the network settings |
If replacing the cable and cleaning the port did not help, the problem may be in the power controller of the smartphone itself, which will require contacting a service center.
Installing drivers and working with the computer
The operating system Windows usually automatically finds the necessary drivers for modern smartphones Xiaomi. However, in some cases, especially on older versions of Windows 7 or 8, manual installation may be required.
For correct operation, it is recommended to install the official utility Mi PC Suite or universal drivers Google USB Driver. They ensure correct data exchange between operating systems of different architectures.
You can check the connection status through the “Device Manager” on your computer. If there is a device with a yellow exclamation mark in the list, it means that the driver is installed incorrectly or is missing.
How to update the driver manually?
In Device Manager, right-click on the unknown device → Update driver → Search for drivers on this computer → Select from the list of available drivers → Select MTP USB Device.
Sometimes simply disabling the device in the manager and then scanning for hardware changes helps. This forces the system to re-interrogate the connected gadget and initialize the communication protocol.
Specific security settings of MIUI and HyperOS
Xiaomi shells have additional levels of protection that can block the connection. In particular, the “USB Protection” function may prohibit data transfer if the phone was not unlocked with a password or fingerprint at the time of connection.
It is also worth checking your file access settings. In new firmware versions, when you first connect to a new computer, the system requests permission to access media files. If you accidentally click "Cancel", access will be blocked until permission settings are reset.
⚠️ Attention: The settings interface in MIUI and HyperOS is constantly updated. The location of menu items may differ depending on the firmware version (Global, China, EEA). If you do not find the described options, use the settings search.
In some cases, resetting the network settings helps. This will not delete your personal files, but will return Wi-Fi, Bluetooth and mobile network settings, as well as USB connection settings to the factory state.
The main cause of connection problems on Xiaomi is the aggressive power saving system, which can “kill” background USB port maintenance processes.
Alternative methods of transferring data without a cable
If a physical connection cannot be realized due to a broken connector or lack of a suitable cable, it is worth considering wireless methods. They are often faster and more convenient for transferring small amounts of data.
The built-in function Mi Share allows you to instantly transfer files to other Xiaomi devices or computers that support this technology. To connect to Windows, you can use the Phone Connection application or third-party utilities.
- 📂 Use cloud storage (Google Drive, Yandex.Disk) to synchronize files.
- 📶 Set up an FTP server through a file manager to access your phone's memory via Wi-Fi.
- 💻 Use the AirDroid app to fully control your smartphone through the browser.
Wireless transmission is ideal for daily use, but for the initial setup of the phone or system recovery after a failure, the cable remains an indispensable tool.
☑️ Checklist for a successful connection
Why does the computer not see the Xiaomi phone, although charging is in progress?
Most likely, a cable that does not support data transfer (charge-only) is used, or MTP mode is not selected in the notification shade. It is also possible that there are no drivers on the computer.
How to make file transfer the default mode?
Go to the “For Developers” menu, find the “Default USB Configuration” item and select “File Transfer”. This will save the setting for future connections.
Is it possible to transfer files if the phone screen is broken?
Yes, if you have previously allowed trusting this computer and enabled USB debugging. Otherwise, without touching the screen to confirm the mode, data transfer is impossible.
What to do if the connection is constantly reset?
Try replacing the cable, cleaning the port from dust, or disabling the power saving function for USB system processes. Also check the port on your computer.
Is it safe to enable USB debugging?
Debugging should only be enabled when connecting to trusted computers. On other people's PCs, this function can give attackers access to your data.