Dell Latitude 5330 System BIOS

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.

hi testing

Driver Id : WKVXK

Importance : Critical

Version : 1.31.1, 1.31.1 Latest version Recommended version Latest and Recommended version

Release Date : 15 Aug 2025

Download Type : System BIOS

Category : BIOS

This package contains the Dell system BIOS update. BIOS is a firmware package that is embedded on a small memory chip on the system board. It controls the keyboard, monitor, disk drives, and other devices. This update addresses Common Vulnerabilities and Exposures (CVE). Common Vulnerabilities and Exposures (CVE) is a list of security vulnerabilities and exposures that are publicly disclosed.

Download Files

File Format: This file format consists of a BIOS executable file. The Universal (Windows/MS DOS) format can be used to install from any Windows or MS DOS environment.

File Name: Latitude_5330_1.31.1.exe

File size: 26.44 MB

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

MD5: f701c6b20595f1c1bea5f210625f7c13

SHA1: da9da861168083761e2aa6149f367a58b6998fb3

SHA-256: c11b3bc48e73ac6fb3be648cf823392d096cdd065531604c246a3059cc777437

Download .EXE

File Format: This file format consists of a BIOS Recovery image file. This file is used for the System BIOS Recovery process to recover a system from a corrupted BIOS.

File Name: BIOS_IMG.rcv

File size: 26.44 MB

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

MD5: f701c6b20595f1c1bea5f210625f7c13

SHA1: da9da861168083761e2aa6149f367a58b6998fb3

SHA-256: c11b3bc48e73ac6fb3be648cf823392d096cdd065531604c246a3059cc777437

Download .RCV

Fixes & Enhancements

- This release contains security updates as disclosed in the Dell Security Advisories DSA-2025-203, DSA-2025-206, and DSA-2025-211. 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 Bloomberg Keyboard 5 does not work with Dell systems.

Important Information

- Once the BIOS is upgraded to version 1.26.0 or later, you cannot downgrade the BIOS to earlier versions. BIOS downgrades are restricted when there are security updates and important fixes with earlier versions that impact the functionality of the system.
- BIOS updates take no more than 5 minutes to be installed on your system. You can install the updates in the background while using the system.

Installation instructions

Updating the BIOS from Windows

Note 1: Before updating the BIOS, ensure that you suspend BitLocker encryption on a BitLocker-enabled system. If BitLocker is not enabled on your system, you can ignore this step. For information about how to disable BitLocker, see How to Enable or Disable BitLocker with TPM in Windows at support.dell.com.
Note 2: Do not turn off power or interrupt the BIOS update process during the update.
Note 3: Your system requires a restart after installing the BIOS. The restart can be deferred but must be completed to ensure that the update is installed.

Download and Installation
1. Click Download File.
2. Click Save to save the file to your hard drive.
3. Browse to the location where you downloaded the file.
4. Double-click the new file.
The system restarts automatically and updates the BIOS at the system startup screen. After the BIOS update is complete, system restarts again.

Dell Latitude 5330 System BIOS

Download Files

Fixes & Enhancements

Important Information

Compatible Systems

Supported Operating Systems

Installation instructions

Applies to