SAMSUNG Mobile USB Serial Port (COM4) Driver

The SAMSUNG Mobile USB Serial Port (COM4) driver helps Windows communicate with the serial interface exposed by a compatible Samsung mobile device over USB. It is useful when your phone’s serial connection appears as an unknown device, shows a warning in Device Manager, or cannot be detected by software that requires a COM port.

Although listed in the Network category, this component provides a USB serial connection rather than a Wi-Fi or Ethernet connection. COM4 is the port number assigned by Windows and may change when you reconnect the device or use another USB socket.

Key Features

• Enables USB serial communication between supported Samsung mobile devices and compatible PC applications.
• Helps Windows identify the Samsung serial interface correctly in Device Manager, typically under Ports (COM & LPT).
• Supports tasks that require a COM-port connection, such as diagnostics or servicing, when supported by the device and application.
• Offers compatibility with Windows 10, 8.1, 7, Vista, and XP when you select the appropriate driver package for your system and device.

How to Install SAMSUNG Mobile USB Serial Port (COM4) Driver

1. Check your Windows version and whether it uses a 32-bit or 64-bit architecture. For Windows 10/11 systems, verify compatibility carefully: Windows 10 is listed here, but Windows 11 support should not be assumed.
2. Before starting your SAMSUNG Mobile USB Serial Port (COM4) driver download for Windows, confirm that the package supports your Samsung device. Choose a trusted source offering a free download, and check its compatibility information.
3. Extract the downloaded archive if necessary. If the package includes an installer, run it and follow the prompts to install the driver.
4. If manual installation is required, open Device Manager, right-click the affected Samsung or unknown device, and select Update driver. Browse to the extracted driver folder and follow the instructions.
5. Reconnect the device using a data-capable USB cable, then check Device Manager for the serial port entry and any warning icons. If your application expects COM4, make sure its port setting matches the number Windows assigned.

Keep the driver updated when Samsung provides a compatible release or when you need to resolve a connection problem. The latest version is not always suitable for older Windows editions, so check support before you update a working installation.