MediaTek MT7920/MT7921/MT7922/MT7925 Wi-Fi UWD Driver

Restart required 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.
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Fixes & Enhancements

Fixes:
- Fixed the issue where the Direct Memory Access Remapping does not work and the WLAN performance drops. This issue occurs on systems with the Windows 11 operating system, version 24H2.
- Fixed the issue where WLAN performance drops when the system is in battery mode.
- Fixed the issue where a Windows error message displayed when the WLAN device is disabled through Device Manager or command line.

Enhancements:
- 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 2025 Update.
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Version

5.7.0.4755, A19

Release date

24 Oct 2025

Download Type

Driver

Category

Network, Ethernet & Wireless

Importance

Critical
Dell 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_3JG0R_WIN64_5.7.0.4755_A19.EXE
File Size: 41.29 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:
23e03f06c26bd9469fdf57228d612f12
SHA1:
39a1c038eca73ddde2c8bbeb34004aa823ac1418
SHA-256:
91d663a22663e31bfde57d8687b8bec8dc06ae7d03ddc5b851ffa6c3972a5db1

By downloading, you accept the terms of the Dell Software License Agreement.

Additional details

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- After you install this update, the MediaTek MT7920, MT7921, and MT7922 Wi-Fi version that is displayed in Device Manager is 3.4.0.1335.
- After you install this update, the MediaTek MT7925 Wi-Fi version that is displayed in Device Manager for the Windows 11 operating system is 5.7.0.4755.
- After you install this update, the MediaTek MT7925 Wi-Fi version that is displayed in Device Manager for the Windows 10 operating system is 3.4.0.1335.
- 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.
MediaTek MT7920
MediaTek MT7920 Wireless LAN
MediaTek MT7922 Wireless LAN
MediaTek MT7925 Wireless LAN
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.

Need help with network connection issues?

Find a solution in Dell's network troubleshooting guide

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