OnePlus A5000 Modified Diag Driver

Download the OnePlus A5000 Modified Diag Driver for x64 and x86 Windows. This package includes the necessary drivers to enable diagnostic and modem interfaces for your OnePlus A5000 device. The drivers are modified for compatibility and ease of use.

What is the OnePlus A5000 Modified Diag Driver?

The OnePlus A5000 Modified Diag Driver is a custom driver package designed for the OnePlus 5 (A5000) to enable diagnostic (Diag) and modem ports on Windows. This is particularly useful for advanced users, developers, and service technicians who need to access the device's diagnostic interface for tasks such as logging, debugging, or using specific software tools.

The package includes both 32-bit (x86) and 64-bit (x64) driver files, ensuring compatibility with most Windows operating systems. It is based on HTC Corp. drivers, modified to work perfectly with the OnePlus A5000 hardware IDs.

Key features of this driver package:

  • Dual Architecture Support: Includes drivers for both x86 and x64 versions of Windows.
  • Diagnostic Interface: Enables the HTC Diagnostic Interface (COM port) for device communication.
  • Modem Interface: Installs a modem driver for network-related diagnostic tasks.
  • Easy Installation: Comes with standard INF files for straightforward installation via Device Manager.
  • Modified for OnePlus A5000: Specifically configured to match the USB hardware IDs of the OnePlus 5.

How to install the OnePlus A5000 Diag Driver?

Follow these steps to properly install the modified drivers on your Windows PC:
  1. Download the OnePlus A5000 Modified Diag Driver package from the link below and extract the files to a folder on your computer.
  2. Enable Test Mode (Optional): On 64-bit Windows, you might need to enable test mode to install unsigned drivers. Run Command Prompt as Administrator and execute:
    bcdedit /set testsigning on, Restart your PC.
  3. Connect your OnePlus 5 to the PC via USB cable. Ensure USB debugging is enabled in Developer Options.
  4. Open Device Manager on your PC. The device will likely appear as an "Unknown Device" or with a yellow exclamation mark.
  5. Right-click on the device and select "Update driver".
  6. Choose "Browse my computer for drivers" and point to the folder where you extracted the driver files.
  7. Select the appropriate folder for your system (x64 for 64-bit, x86 for 32-bit).
  8. Click "Next" and follow the on-screen instructions to complete the installation.
  9. Once installed, you should see "HTC USB Modem" and "HTC Diagnostic Interface" in Device Manager.
Note: If you encounter driver signature errors, ensure you have enabled test mode. These drivers are modified and may not be signed by Microsoft. Use them at your own risk. For troubleshooting, refer to the official GSMware support page.

Images of the Driver Package

Below are reference screenshots of the driver files and installation process.

OnePlus A5000 Driver Files Device Manager after installation
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What are the contents of the driver files?

The driver package is organized into two main folders for different architectures: 
-Modified_DiagDriver_OnePlus_A5000
Win x64
Win x86

-Win x64
htcusbmdmv64.cat
HtcUsbMdmV64.inf
HtcUsbMdmV64.sys

-Win x86
htcdiag.cat
htcdiag.inf
htcdiag.sys

HtcUsbMdmV64.inf (for x64) is a Windows Modem Setup file that installs the HTC USB Modem driver. It includes the following key details:

  • Version: 5.0.0.1 (Date: 02/08/2007)
  • Provider: HTC Corporation
  • Hardware IDs: USB\VID_05C6&PID_6765&MI_01 and USB\VID_05C6&PID_676C&MI_00
  • Service: HtcUsbMdmV64 (Lower Filter Driver)

htcdiag.inf (for x86) is a Virtual Serial Port Setup file that installs the HTC Diagnostic Interface. It includes:

  • Version: 3.0.0.0 (Date: 09/02/2009)
  • Provider: HTC Corporation
  • Hardware IDs: Multiple HTC and Qualcomm composite USB device IDs, including USB\VID_0BB4&PID_0C07&MI_02 and USB\VID_05C6&PID_6765&MI_01.
  • Service: htcdiag (Diagnostic Port)

Additional information of the Driver Package

Refer to the summary table below for complete technical specs. If you find any broken download links or need assistance, please feel free to reach out via our contact page or email us directly at contact.gsmware@gmail.com.

Name Information
Program OnePlus A5000 Modified Diag Driver
Type .INF, .SYS, .CAT (Driver Files)
Version v1.0 (Modified)
Size 103.88 KB (Compressed)
Updated Tuesday, 25 August, 2026
Views
Downloads
Price Free
Developer GSMware
Category Drivers
Compatibility Windows 7, 8, 10, 11 (32-bit & 64-bit)
Archive Password www.gsmware.com
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Download link of OnePlus A5000 Modified Diag Driver

Download the direct RAR archive of the OnePlus A5000 Modified Diag Driver below. Use WinRAR v5.50 or higher to avoid extraction errors.


The default password for compressed files is "www.gsmware.com".

Changelog

- Initial Release: Modified OnePlus A5000 Diagnostic Driver package. - Architectures: Added support for both 32-bit (x86) and 64-bit (x64) Windows systems. - Hardware Support: Configured to work with OnePlus A5000 (OnePlus 5) hardware IDs. - Components: Includes modem (HtcUsbMdmV64) and diagnostic (htcdiag) driver files.