Download and install Qualcomm Incorporated Qualcomm HS-USB Diagnostics 90C9 driver

Qualcomm HS-USB Diagnostics 90C9 is a Ports device. This Windows driver was developed by Qualcomm Incorporated. USB/VID_05C6&PID_90C9&MI_00 is the matching hardware id of this device.

1. Install Qualcomm Incorporated Qualcomm HS-USB Diagnostics 90C9 driver manually

1. Download the setup file for Qualcomm Incorporated Qualcomm HS-USB Diagnostics 90C9 driver from the location below. This is the download link for the driver version 2.1.2.9 released on 2017-09-27.
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3. Run the driver installation file from a Windows account with administrative rights. If your UAC (User Access Control) is started then you will have to accept of the driver and run the setup with administrative rights.
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5. Go through the driver setup wizard, which should be pretty straightforward. The driver setup wizard will scan your PC for compatible devices and will install the driver.
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7. Shutdown and restart your PC and enjoy the updated driver, as you can see it was quite smple.
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This driver is digitally signed by the manufacturer.
Driver file size: 170727 bytes (166.73 KB)
This driver was installed by many users and received an average rating of 4.2 stars out of 17366 votes.
This driver was released for the following versions of Windows:

• This driver works on Windows 2000 64 bits
• This driver works on Windows Server 2003 64 bits
• This driver works on Windows XP 64 bits
• This driver works on Windows Vista 64 bits
• This driver works on Windows 7 64 bits
• This driver works on Windows 8 64 bits
• This driver works on Windows 8.1 64 bits
• This driver works on Windows 10 64 bits
• This driver works on Windows 11 64 bits

2. The easy way: using DriverMax to install Qualcomm Incorporated Qualcomm HS-USB Diagnostics 90C9 driver

The most important advantage of using DriverMax is that it will setup the driver for you in just a few seconds and it will keep each driver up to date. How easy can you install a driver with DriverMax? Let's see!

1. Open DriverMax and push on the yellow button named ~SCAN FOR DRIVER UPDATES NOW~. Wait for DriverMax to scan and analyze each driver on your PC.
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3. Take a look at the list of available driver updates. Search the list until you find the Qualcomm Incorporated Qualcomm HS-USB Diagnostics 90C9 driver. Click on Update.
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5. That's all, the driver is now installed!
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