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Qualcomm Qualcomm HS-USB WWAN Adapter 90C9-81 NET1_MUX2 how to download and install the driver


Qualcomm HS-USB WWAN Adapter 90C9-81 NET1_MUX2 is a Network Adapters device. The Windows version of this driver was developed by Qualcomm. In order to make sure you are downloading the exact right driver the hardware id is USB/VID_05C6&PID_90C9&MI_81.

1. Manually install Qualcomm Qualcomm HS-USB WWAN Adapter 90C9-81 NET1_MUX2 driver


  1. You can download from the link below the driver setup file for the Qualcomm Qualcomm HS-USB WWAN Adapter 90C9-81 NET1_MUX2 driver. The archive contains version 4.0.5.2 dated 2017-09-27 of the driver.
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  3. Start the driver installer file from a user account with the highest privileges (rights). If your UAC (User Access Control) is started 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 quite easy to follow. The driver setup wizard will scan your computer and will install the right driver.
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  7. When the operation finishes restart your PC in order to use the updated driver. It is as simple as that to install a Windows driver!
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This driver is digitally signed by the manufacturer.
Download size of the driver: 315721 bytes (308.32 KB)
This driver was installed by many users and received an average rating of 4.4 stars out of 4160 votes.
This driver will work for the following versions of Windows:

  • 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. How to use DriverMax to install Qualcomm Qualcomm HS-USB WWAN Adapter 90C9-81 NET1_MUX2 driver


The most important advantage of using DriverMax is that it will install the driver for you in the easiest possible way and it will keep each driver up to date, not just this one. How can you install a driver using DriverMax? Let's take a look!

  1. Open DriverMax and press 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 driver updates. Scroll the list down until you find the Qualcomm Qualcomm HS-USB WWAN Adapter 90C9-81 NET1_MUX2 driver. Click the Update button.
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  5. Finished installing the driver!
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Drivers