Sony HS-USB Android Diag-0 (COM55) Driver

The Sony HS-USB Android Diag-0 (COM55) driver allows Windows to recognize a Sony Android device’s USB diagnostic interface and make it available to compatible service software. Associated with Qualcomm Atheros hardware, this driver is intended for technicians and users who need diagnostic communication rather than ordinary file transfers or charging.

Key Features

• Diagnostic USB connectivity: Helps compatible service tools communicate with the device when its diagnostic interface is enabled.
• COM-port recognition: Supports detection of the diagnostic interface in Device Manager. Although the device name includes COM55, Windows may assign a different port number.
• 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 32-bit or 64-bit architecture.
• Targeted troubleshooting: Installing a matching driver may resolve missing-driver warnings for this interface, but it will not repair unrelated USB hardware or phone firmware issues.

How to Install Sony HS-USB Android Diag-0 (COM55) Driver

1. Check your system and device. Confirm your Windows version and architecture, then inspect the device’s Hardware IDs in Device Manager if it is already connected. Match these details against the package documentation.
2. Choose a compatible package. Before starting a Sony HS-USB Android Diag-0 (COM55) driver download for Windows, verify its source, supported hardware, and compatibility. If offered as a free download, it should not require unrelated utilities.
3. Prepare the connection. Extract the downloaded archive if necessary. Connect the Sony device using a reliable USB data cable, and follow its service documentation to enable the diagnostic interface if required.
4. Install the driver. Run the supplied installer, or open Device Manager, right-click the relevant diagnostic or unknown device, select Update driver, and browse to the extracted driver folder. Do not bypass signature warnings to force an unverified package.
5. Verify detection. Restart Windows if prompted, then check that the interface appears without a warning icon. Select its assigned COM port in your compatible diagnostic software.

Keep the driver updated when a verified release addresses compatibility or connection problems, but choose the latest version that explicitly supports your device and operating system. For Windows 10/11 systems, note that Windows 10 is listed as supported here; Windows 11 compatibility is not confirmed. Before an update, retain a working driver package so you can roll back if needed.