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

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Driver Id : D4MGJ

Importance : Critical

Version : 5.5.0.3760, A15 Latest version Recommended version Latest and Recommended version

Release Date : 09 Jun 2025

Download Type : Driver

Category : Network, Ethernet & Wireless

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.

Download Files

File Format: Dell Update Packages in native Microsoft Windows 64-bit format do not require that Microsoft WOW64 be installed on the Microsoft Windows Server.

File Name: MediaTek-MT7920-MT7921-MT7922-MT7925-Wi-Fi-UWD-Driver_D4MGJ_WIN64_5.5.0.3760_A15.EXE

File size: 41.07 MB

To ensure the integrity of your download, please verify the checksum value.

MD5: 26dcf2f643136bb47745f354cf3367e9

SHA1: 04b31969f1f1f08bcf75159481144545beff4112

SHA-256: 83808ee27bead27017ffbad3104bab41e9e704ddd59bcc5b758e0cc0be925e3c

Download .EXE

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.

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.

Compatible Systems

Dell Pro 14 PC14250

Dell Pro 14 PC14255

Dell Pro 16 PC16250

Dell Pro 16 PC16255

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.

Applies to

MediaTek MT7920

MediaTek MT7920 Wireless LAN

MediaTek MT7922 Wireless LAN

MediaTek MT7925 Wireless LAN