Acer Aspire 4520 Driver Download (Official)

Acer Drivers

The Aspire 4520 is a modem manufactured by Acer. If you cannot connect to the network, or have slow transfer speeds or intermittent disconnection problems, you may need to update your modem driver or firmware. This version of "" is rated (5 out of 5 stars) based on 33 downloads and 9 reviews. It is compatible with PCs running Windows XP, among other operating systems. The total disk space used for this update is 1.7 MB.

9 Ratings

Supported Models

Aspire 4520

HDAUDIO Soft Data Fax Modem with SmartCP




Supported Operating Systems

Windows XP

File Name

Versions (4-Dec-2008) (2007-03-20) via .inf

Additional Notes

Modem Driver File

Uploaded By

Manivannan (DG Staff Member) on 22-Aug-2009

How to Update Aspire 4520 Device Drivers

Step 1 - Download Your Driver

To get the Aspire 4520 driver, click the green download button above. After you complete your download, move on to Step 2.

If the driver listed is not the right version or operating system, search our driver archive for the correct version. Enter Acer Aspire 4520 into the search box above and then submit. In the results, choose the best match for your PC and operating system.

Tech Tip: If you are having trouble deciding which is the right driver, try the Acer Driver Update Utility. It is a software utility which automatically finds and downloads the right driver.

To find the newest driver, you may need to visit the Acer website. Most major device manufacturers update their drivers regularly.

Step 2 - Install Your Driver

To install your new driver on Windows:

  1. Right-click the Start button.

  2. Click "Device Manager">

  3. Find your device in the list.

  4. Right-click the device and select "Update driver"

  5. Follow the steps on screen.

Restart your computer when done.

This keeps your computer working at its best.

Tech Tip: Driver downloads and updates come in a variety of file formats with different file extensions. For example, you may have downloaded an EXE, INF, ZIP, or SYS file. Each file type has a slighty different installation procedure to follow.

For more help, visit our Driver Support Page for step-by-step videos on how to install drivers for every file type.

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
Modem_Foxccon_2.1.77.9_XPx86/AcSUnM5K.inf 43.9 KB 12 Jul 2007
Modem_Foxccon_2.1.77.9_XPx86/AcZUnM5k.inf 43.9 KB 12 Jul 2007
Modem_Foxccon_2.1.77.9_XPx86/HSFHWAZL.sys 210.7 KB 12 Jul 2007
Modem_Foxccon_2.1.77.9_XPx86/HSFProf.cty 144.4 KB 12 Jul 2007
Modem_Foxccon_2.1.77.9_XPx86/HSF_CNXT.sys 731.1 KB 12 Jul 2007
Modem_Foxccon_2.1.77.9_XPx86/HSF_DPV.sys 988.0 KB 12 Jul 2007
Modem_Foxccon_2.1.77.9_XPx86/MDMXSDK.sys 12.7 KB 12 Jul 2007
Modem_Foxccon_2.1.77.9_XPx86/MdmXSdk.dll 94.2 KB 12 Jul 2007
Modem_Foxccon_2.1.77.9_XPx86/Setup.exe 751.8 KB 12 Jul 2007
Modem_Foxccon_2.1.77.9_XPx86/UCI32M17.dll 208.9 KB 12 Jul 2007
Modem_Foxccon_2.1.77.9_XPx86/UIU32m.exe 745.5 KB 12 Jul 2007
Modem_Foxccon_2.1.77.9_XPx86/ 19.2 KB 12 Jul 2007
Modem_Foxccon_2.1.77.9_XPx86/ 19.2 KB 12 Jul 2007
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