Sony Ericsson Device 091010 USB Serial Port (COM26) Driver

The Sony Ericsson Device 091010 USB Serial Port (COM26) driver enables Windows to recognize the device’s USB serial interface so compatible software can communicate with it. You may need it if your connected Sony Ericsson device appears as an unknown device, shows a driver warning, or is not detected by software that uses a serial connection. Although listed in the Camera category, this entry identifies a USB serial port rather than a dedicated camera imaging driver.

Key Features

• USB serial communication: Provides the connection interface used by compatible Sony Ericsson software and other applications that require access to the device’s serial port.
• Device recognition: Helps Windows identify the USB serial interface correctly instead of leaving it listed as an unrecognized device.
• COM port access: Makes the interface available through a Windows COM port. COM26 is the assigned port in this device name; the number may differ on another computer.
• Legacy Windows support: Listed operating systems include Windows 10, 8.1, 7, Vista, and XP. Check the individual driver package for your Windows version and system architecture.

How to Install Sony Ericsson Device 091010 USB Serial Port (COM26) Driver

1. Check your system. Confirm your Windows version and whether it is 32-bit or 64-bit. If comparing Windows 10/11 compatibility, note that Windows 11 is not included in the supplied supported OS list.
2. Choose a matching package. Before starting a Sony Ericsson Device 091010 USB Serial Port (COM26) driver download for Windows, verify the package’s supported systems and device identifiers. For any free download, use a trusted source and avoid unrelated installer bundles.
3. Prepare the files. Extract the downloaded archive if necessary. If it includes a setup program, follow its instructions, including any guidance on when to connect the device.
4. Install through Device Manager if needed. Connect the device, locate its entry under Ports (COM & LPT) or Other devices, select Update driver, and browse to the extracted driver folder.
5. Verify the connection. Restart Windows if prompted, then check Device Manager for warning icons. Configure your compatible application to use the COM port Windows actually assigns.

Keep the driver updated when a compatible release addresses a connection problem or supports your setup. Before you update, confirm that the latest version still supports your device and operating system; a newer package is not automatically the right match.

Common Issues and Fixes

• Install fails or stalls: Run the installer as administrator and use the correct 32/64-bit package. If Windows blocks the older Sony Ericsson INF, temporarily disable driver signature enforcement, install, then re-enable it.
• Device not detected: Check the USB cable and port, then open Device Manager. If an unknown device or “Sony Ericsson” entry appears, uninstall it, unplug the device, and rescan for hardware. Confirm the phone is in the correct USB serial mode.
• COM port/version conflicts: Remove stale Sony Ericsson drivers and unused COM ports in Device Manager. If COM26 is busy or reserved, reassign it to another free COM number and restart the application using the port.