MediaTek MT7920/MT7921/MT7922/MT7925 Wi-Fi UWD Driver
Installed This file was automatically installed as part of a recent update. If you are experiencing any issues, you can manually download and reinstall.This package contains the MediaTek MT7920, MT7921, MT7922, and MT7925 Wi-Fi driver. Wireless drivers help your operating system to communicate with wireless devices such as wireless cards and network interface controllers. This update addresses the Dell Security Advisories (DSA). A security advisory is a statement when a security vulnerability impacts a product, and a remedy is available for the vulnerability.
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Fixes & Enhancements
Fixes:
- This release contains security updates as disclosed in the Dell Security Advisory DSA-2025-229. The DSA details are published on the Security Advisories, Notices, and Resources page, once they are publicly available. For more information about the release schedule, see Dell Client Drivers and Downloads Update Release Schedule.
- Fixed the issue where the Wi-Fi connection drops for 60 seconds when the wireless access point switches to a Dynamic Frequency Selection channel.
Enhancements:
- Added support for the MediaTek MT7925 Wi-Fi card on systems with the Windows 10 operating system.
- This release contains certified drivers for Windows 10 April 2018 Update, Windows 10 October 2018 Update, Windows 10 May 2019 Update, Windows 10 May 2020 Update, and Windows 11 October 2024 Update.
Read More
- This release contains security updates as disclosed in the Dell Security Advisory DSA-2025-229. The DSA details are published on the Security Advisories, Notices, and Resources page, once they are publicly available. For more information about the release schedule, see Dell Client Drivers and Downloads Update Release Schedule.
- Fixed the issue where the Wi-Fi connection drops for 60 seconds when the wireless access point switches to a Dynamic Frequency Selection channel.
Enhancements:
- Added support for the MediaTek MT7925 Wi-Fi card on systems with the Windows 10 operating system.
- This release contains certified drivers for Windows 10 April 2018 Update, Windows 10 October 2018 Update, Windows 10 May 2019 Update, Windows 10 May 2020 Update, and Windows 11 October 2024 Update.
Version
5.5.0.3760, A15
Release date
09 Jun 2025
Download Type
Driver
Category
Network, Ethernet & Wireless
Importance
CriticalDell Technologies highly recommends applying this important update as soon as possible. The update contains critical bug fixes and changes to improve functionality, reliability, and stability of your Dell system. It may also include security fixes and other feature enhancements.
Available formats
View Important Information
File Format:
Update Package for MS Windows 64-Bit.
File Name:
MediaTek-MT7920-MT7921-MT7922-MT7925-Wi-Fi-UWD-Driver_D4MGJ_WIN64_5.5.0.3760_A15.EXE
File Size:
41.07 MB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
Dell Update Packages in native Microsoft Windows 64-bit format do not require that Microsoft WOW64 be installed on the Microsoft Windows Server.
To ensure the integrity of your download, please verify the checksum value.
MD5:
26dcf2f643136bb47745f354cf3367e9
SHA1:
04b31969f1f1f08bcf75159481144545beff4112
SHA-256:
83808ee27bead27017ffbad3104bab41e9e704ddd59bcc5b758e0cc0be925e3c
By downloading, you accept the terms of the Dell Software License Agreement.
Important Information
- After you install this update, the MediaTek MT7920, MT7921, and MT7922 Wi-Fi version that is displayed in Device Manager is 3.4.0.1264.
- After you install this update, the MediaTek MT7925 Wi-Fi version that is displayed in Device Manager for the Windows 11 operating system is 5.5.0.3760.
- After you install this update, the MediaTek MT7925 Wi-Fi version that is displayed in Device Manager for the Windows 10 operating system is 3.4.0.1264.
- WLAN drivers take no more than 3 minutes to be installed on your system. You can install the updates in the background while using the system.
- After you install this update, the MediaTek MT7925 Wi-Fi version that is displayed in Device Manager for the Windows 11 operating system is 5.5.0.3760.
- After you install this update, the MediaTek MT7925 Wi-Fi version that is displayed in Device Manager for the Windows 10 operating system is 3.4.0.1264.
- WLAN drivers take no more than 3 minutes to be installed on your system. You can install the updates in the background while using the system.
Supported Operating Systems
Windows 11 IoT Enterprise LTSC 2024
Windows 11
Windows 10, 64-bit
Applies to
MediaTek MT7920
MediaTek MT7920 Wireless LAN
MediaTek MT7922 Wireless LAN
MediaTek MT7925 Wireless LAN
Installation instructions
Dell Update Package Instructions
Note: Your system requires a restart after installing the driver. The restart can be deferred but must be completed to ensure that the update is installed.
Download
1. Click Download File.
2. When the File Download window is displayed, click Save to save the file to your hard drive.
Installation
1. Browse to the location where you downloaded the file and double-click the new file.
2. Read the information in the dialog window.
3. Download and install any prerequisites that are identified in the dialog window before proceeding.
4. Click the Install button.
5. Follow the remaining prompts to perform the update.
For Thin Client systems
Note: If the driver size is more than 900 MB, ensure to increase the RAM Disk Size to 1000 MB before installing the driver. If RAM Disk is not available, follow the below steps.
1. Log in to the Administrator account on the Thin Client.
2. Disable the Write Filter (WF) by double-clicking the WF Disable icon on the desktop.
The system auto reboots.
3. Log in to the Administrator account on the Thin Client.
4. Click Download File.
5. Double-click the EXE/MSI file and follow the on-screen instructions.
6. Enable the Write Filter by double-clicking WF Enable icon on the desktop.
The system auto reboots.
Note: Your system requires a restart after installing the driver. The restart can be deferred but must be completed to ensure that the update is installed.
Download
1. Click Download File.
2. When the File Download window is displayed, click Save to save the file to your hard drive.
Installation
1. Browse to the location where you downloaded the file and double-click the new file.
2. Read the information in the dialog window.
3. Download and install any prerequisites that are identified in the dialog window before proceeding.
4. Click the Install button.
5. Follow the remaining prompts to perform the update.
For Thin Client systems
Note: If the driver size is more than 900 MB, ensure to increase the RAM Disk Size to 1000 MB before installing the driver. If RAM Disk is not available, follow the below steps.
1. Log in to the Administrator account on the Thin Client.
2. Disable the Write Filter (WF) by double-clicking the WF Disable icon on the desktop.
The system auto reboots.
3. Log in to the Administrator account on the Thin Client.
4. Click Download File.
5. Double-click the EXE/MSI file and follow the on-screen instructions.
6. Enable the Write Filter by double-clicking WF Enable icon on the desktop.
The system auto reboots.
Need help with network connection issues?
Find a solution in Dell's network troubleshooting guideDrivers help and tutorials
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