Dell 6-in-1 USB-C Multiport Adapter DA305 Firmware Updater

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 provides the Dell DA305 firmware update and is supported on system that are running Windows 10/11, including ARM platform.
Recommended

Check compatibility

Enter your Dell Service Tag or model

Want to look up your product? Enter a product identifier. Show me how

This driver is not compatible

This driver is not applicable for the selected product. Choose another product to re-enter your product details for this driver or visit the Product Support page to view all drivers for a different product.

Find more updates. Use SupportAssist to find all the latest driver updates for your device.

Version

A05-00, A05-00

Release date

07 May 2025

Download Type

Firmware

Category

Device Firmware

Importance

Optional
Dell Technologies recommends reviewing this update to determine if it applies to your system. The update contains changes that impact only certain configurations or provides new features that may or may not apply to your environment.
Available formats View Important Information

File Format: Firmware Images
File Name: Dell_DA305_update_utility_A05 F.exe
File Size: 124.35 MB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
To ensure the integrity of your download, please verify the checksum value.
MD5:
4bf83d5560a2004490541dad9d3dfa62
SHA1:
613badc86fe1795f7bd747f7d2dfbb0d7d7bac59
SHA-256:
5327c35add1ed0f58780af182f672282b6e184b30c1d49e2ed4c68fd59dee580

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

Additional details

Show All | Hide All
This package provides the Dell DA305 firmware update and is supported on system that are running Windows 10/11, including ARM platform.
The firmware updater supports both DA305u and DA305z from different manufacturer.

Please visit below website to download/install latest ASIX ethernet driver for ARM platform.
https://www.asix.com.tw/en/product/USBEthernet/Super-Speed_USB_Ethernet/AX88179A
Example of the path: Download -> Software& tools -> Windows 11 ARM 64-bit Driver
ADPT,CON,DA305,BIZ,APJ
Download
1. Click Download File to download the file.
2. When the File Download window appears, save the file to your hard drive.

Installation
1. Close all application before running the updater.
2. Remove all devices/monitors connected to DA305 is recommended.
3. Browse to the location where you downloaded the file and unzip it. Double-click the Dell_DA305_update_utility_A05 F.exe to start the firmware update.
4. During FW update process
a. Do not insert/remove the power adapter of DA305, or unplug USB Type-C cable of DA305 from system.
b. Display may blinking, and/or receiving USB detected/removal notification for short period of time.
5. Once FW update is completed, close FW updater and new FW will take effect immediately.

Drivers help and tutorials