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.

Dell Latitude 5430 Rugged and 7330 Rugged Extreme System BIOS

Restart required AUTO 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 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 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.
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Fixes & Enhancements

Fixes:
- This release contains security updates as disclosed in the Dell Security Advisory DSA-2023-113, DSA-2023-174, and DSA-2023-175. For more information, see Dell Security Advisories and Notices.
- Fixed the issue where the system reboots repeatedly when USB bootable devices with longer product name and serial number are connected to the system.
- Fixed the issue where the system does not boot into the Preboot Execution Environment (PXE) from the Dell Dock WD19S. This issue occurs when you disable the Enable USB Boot Support option in the BIOS setup.
- Fixed the issue where the system is unable to shut down when it is connected to a 5G network.

Enhancements:
- Added support for Wi-Fi 6E in Morocco.
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Version

1.18.1, 1.18.1

Release date

13 Jun 2023

Download Type

System BIOS

Category

BIOS

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: CPG BIOS Executable for Windows/DOS
File Name: Latitude_5430_7330_Rugged_1.18.1.exe
File Size: 53.86 MB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
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.
To ensure the integrity of your download, please verify the checksum value.
MD5:
bced28e6b45d9156a5e9ef192684f9f6
SHA1:
826f53897077a7d7e1064a0726cc8a971b6c2be2
SHA-256:
79f03d4231f91ee0780ebd7825a48da858dd5918509b28a8a02c6d64ce008b41
File Format: BIOS Recovery Image File
File Name: BIOS_IMG.rcv
File Size: 53.86 MB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
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.
To ensure the integrity of your download, please verify the checksum value.
MD5:
bced28e6b45d9156a5e9ef192684f9f6
SHA1:
826f53897077a7d7e1064a0726cc8a971b6c2be2
SHA-256:
79f03d4231f91ee0780ebd7825a48da858dd5918509b28a8a02c6d64ce008b41

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

Additional details

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- Once the BIOS is upgraded to version 1.4.1 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.
- Before you enable Intel Trusted Execution Technology (TXT) in the BIOS, do the following:
1. Update the BIOS to version 1.4.1 or later if your current BIOS version is 1.0.0, 1.1.0,1.2.0, or 1.3.0.
2. Reset Real Time Clock (RTC) to load BIOS settings to default. To reset Real Time Clock (RTC), do the following:
a) Turn off the system.
b) Connect the AC adapter to the system.
c) Press and hold the power button for around 30 s until the power LED blinks three times.
d) Release the power button.
The system automatically reboots, and displays SupportAssist with Time-of-day not set warning.
e) Select Continue.
The system boots to operating 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.
Latitude 5430 RUGGED; Latitude 7330 RUGGED Extreme
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.

Updating the BIOS from BIOS Boot Menu (independent of operating system)

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.

Installation
1. Copy the downloaded file to a USB drive. The USB drive does not need to be bootable device.
2. Insert the USB drive into any USB port.
3. Power on the system.
4. At the DELL logo screen, press F12 to access the one-time boot menu.
5. Select BIOS Flash Update in the Other Options section.
6. Click the ... button to browse the USB drive to locate the downloaded file.
7. Select the file and click Ok.
8. Verify the existing system BIOS information and the BIOS update information.
9. Click Begin Flash Update.
10. Review the Warning message and click Yes to proceed with the update.
The system restarts and displays a progress bar at the Dell logo screen. The system restarts again when the update is complete.

Need help with BIOS issues?

Find a solution in Dell's BIOS troubleshooting and usage guide.

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