Qualcomm Incorporated Qualcomm HS-USB Diagnostics 90EF - two ways of downloading and installing the driver

Qualcomm HS-USB Diagnostics 90EF is a Ports device. The Windows version of this driver was developed by Qualcomm Incorporated. The hardware id of this driver is USB/VID_05C6&PID_90EF&MI_04; this string has to match your hardware.

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

1. You can download from the link below the driver installer file for the Qualcomm Incorporated Qualcomm HS-USB Diagnostics 90EF driver. The archive contains version 2.1.5.1 dated 2023-01-11 of the driver.
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3. Start the driver installer file from a user account with administrative rights. If your User Access Control (UAC) is running please confirm the installation of the driver and run the setup with administrative rights.
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5. Follow the driver setup wizard, which will guide you; it should be pretty easy to follow. The driver setup wizard will analyze your PC and will install the right driver.
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7. When the operation finishes restart your computer in order to use the updated driver. As you can see it was quite smple to install a Windows driver!
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There is no digital signature available for this driver.

This driver was rated with an average of 3.3 stars by 38620 users.

2. Installing the Qualcomm Incorporated Qualcomm HS-USB Diagnostics 90EF driver using DriverMax: the easy way

The most important advantage of using DriverMax is that it will install the driver for you in just a few seconds and it will keep each driver up to date, not just this one. How can you install a driver with DriverMax? Let's follow a few steps!

1. Start DriverMax and click on the yellow button that says ~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. Scroll the list down until you find the Qualcomm Incorporated Qualcomm HS-USB Diagnostics 90EF driver. Click on Update.
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5. Enjoy using the updated driver! :)
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