ThinOS 2505 (2505_10.0076) BIOS package v1.21.0 for Latitude 3440

Restart required

Do not turn off your computer or disconnect from the power source while updating the BIOS as this could harm your computer. During the update, your computer will restart and you may briefly see a black screen.

Before updating, please read the installation instructions and important information noted below.

Driver Id : 0W3HC

Importance : Critical

Version : 2505, 2505 Latest version Recommended version Latest and Recommended version

Release Date : 29 May 2025

Download Type : System BIOS

Category : BIOS

This package contains the ThinOS 2505 (2505_10.0076) BIOS package v1.21.0 for Latitude 3440. The package is intended for customers who want to install the BIOS package. 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 Name: bios-Latitude3440_1.21.0_23_T10.pkg

File size: 18.66 MB

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

MD5: b5ebf0c3028bdbd9d5a52a08cadf4b05

SHA1: ff35bd83b53df2a59454ced2bd8c61a4fe21d100

SHA-256: feca8a521b75d668e9f949336e84ddf4d2695ec806444e824b72e9bf447f2533

Download .PKG

Fixes & Enhancements

- This release contains security updates as disclosed in the Dell Security Advisory DSA-2025-088. 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.

Installation instructions

Installing BIOS package by using Wyse Management Suite:

1. Log in to Wyse Management Suite.
2. Go to the Groups & Configs page and select your preferred group.
3. From the Edit Policies drop-down menu, click ThinOS 10.x. The Configuration Control | ThinOS window is displayed.
4. In the left pane, click Advanced.
5. From the Advanced menu, expand Firmware, and click BIOS Firmware Updates.
6. Click Browse and select the BIOS package to upload.
7. From the Select the ThinOS BIOS to deploy drop-down menu, select the uploaded BIOS package.
8. Click Save & Publish. The thin client downloads the BIOS package and upgrades.

ThinOS 2505 (2505_10.0076) BIOS package v1.21.0 for Latitude 3440

Download Files

Fixes & Enhancements

Important Information

Compatible Systems

Supported Operating Systems

Installation instructions