Download and install Aliyun, Inc. YunOS ACB Interface driver

YunOS ACB Interface is a YunOSUsbDeviceClass device. The developer of this driver was Aliyun, Inc.. USB/VID_29D5&PID_B421&MI_01 is the matching hardware id of this device.

1. How to manually install Aliyun, Inc. YunOS ACB Interface driver

1. Download the driver setup file for Aliyun, Inc. YunOS ACB Interface driver from the link below. This download link is for the driver version 1.0.0001.00001 dated 2014-01-13.
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3. Start the driver setup file from a Windows account with the highest privileges (rights). If your UAC (User Access Control) is running then you will have to confirm the installation of the driver and run the setup with administrative rights.
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5. Go through the driver setup wizard, which should be quite straightforward. The driver setup wizard will analyze your PC for compatible devices and will install the driver.
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7. Restart your computer and enjoy the fresh driver, it is as simple as that.
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This driver is not digitally signed.

This driver received an average rating of 3.3 stars out of 40106 votes.

2. The easy way: using DriverMax to install Aliyun, Inc. YunOS ACB Interface driver

The 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 using 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 detected driver updates. Scroll the list down until you locate the Aliyun, Inc. YunOS ACB Interface driver. Click on Update.
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5. Finished installing the driver!
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