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 5280/5288/5480/5488/5580 and Precision 3520 System BIOS

Restart required 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. It is supported on Dell Latitude 5280, 5288, 5480, 5488, 5580 and Precision 3520 systems that run the Windows operating system. BIOS is a firmware that is embedded on a small memory chip on the system board. It controls the keyboard, monitor, disk drives, and other devices. The package addresses the Intel security advisories INTEL-SA-00213 and INTEL-SA-00233. The security advisory is a statement when a product is impacted by a security vulnerability and a remedy is available.
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Fixes & Enhancements

Fixes
- Fixed the issue where the boot mode setting is ineffective when it is changed from Boot Menu.
- Removed the pre-boot Intel RST Manager Optimized Defaults option.
- Firmware updates to address security advisory INTEL-SA-00213 (CVE-2019-0090, CVE-2019-0086, CVE-2019-0091, CVE-2019-0092, CVE-2019-0093, CVE-2019-0094, CVE-2019-0096, CVE-2019-0097, CVE-2019-0098, CVE-2019-0153 and CVE-2019-0170).
- Firmware updates to address security advisories INTEL-SA-00233(CVE-2018-12126, CVE-2018-12127, CVE-2018-12130 and CVE-2019-11091).

Enhancements
- Updated the Enhanced Pre-Boot System Assessment (ePSA) firmware.
- Updated the Embedded Controller Engine firmware.
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Version

1.15.1, 1.15.1

Release date

01 Jul 2019

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
File Format: CPG BIOS Executable for Windows/DOS
File Name: Latitude_5X80_Precision_3520_1.15.1.exe
File Size: 18.98 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:
cfedf434b4c239c90234b046c6eec6e0
SHA1:
f35074a167ea01b8b185260d0283e05f2e544fbb
SHA-256:
35e5975fe98de9eca2f4dfb2b2e2d0d28312cbdd8abe2e2c88ff1c758d07ee96

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

Additional details

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Latitude 5280/5480/5580, Precision 3520
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.
Note 2: Do not turn off the power or interrupt the BIOS update process during the update.

Download and Installation
1. Click Download File, to download the file.
2. Click Save to save the file to your hard drive.
3. Browse to the location where you downloaded the file and double-click the file.
4. Click Yes to open the BIOS update utility.
5. Click Update to initiate the update process. A progress bar is displayed.
6. Click Restart to restart the system once the progress bar reaches 100%.

The update process initiates at the Dell logo and an update initiation message is displayed with a progress bar. After BIOS update finishes, system will auto reboot to take effect.

Need help with BIOS issues?

Find a solution in Dell's BIOS troubleshooting guide

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