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 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 provides the Dell System BIOS update and is supported on Dell Latitude 5280/5288/5480/5488/5580 and Precision 3520 for Windows Operating Systems.
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Fixes & Enhancements

Fixes
- Fixed BitLocker issue for Microsoft Windows 7 Operating System Enterprise edition.
- Fixed sometimes system power on failed when resumed from Hibernation with Intel ME firmware provisioned.
- Addressed Intel CPU usage issue when full loaded and resumed from Sleep.
- Resolved Dell ePSA issue.

Enhancements
- Added Intel Celeron CPU support.
- Extended Dell Asset Tag length to 14 characters.
- Updated Dell EC firmware.
Read More

Version

1.3.2, 1.3.2

Release date

27 Apr 2017

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: Flash BIOS executable
File Name: Latitude_5X80_Precision_3520_1.3.2.exe
File Size: 19.18 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. To use it, download the file and copy it to a DOS-bootable USB flash drive, then boot the system to the USB flash drive and run the program.
To ensure the integrity of your download, please verify the checksum value.
MD5:
cc71684c57755cb5e0cc724282dc6638
SHA1:
2a2f35f4bce64fac562c95473e6839ca91ea5556
SHA-256:
5c225196af6682ee3f89ee7e0b9665b0c1285486b2c12cce80ddd50550cdb008

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

Additional details

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Important:
- Not allowed to downgrade BIOS EXE / Recovery (RCV) to the version before 1.2.10.
Latitude 5280/5480/5580, Precision 3520
BIOS Update Executable for Windows

Download
1. Click Download File to download the file.
2. When the File Download window appears, click Save to save the file to your hard drive.

Run the BIOS update utility from Windows environment
1. Browse to the location where you downloaded the file and double-click the new file.
2. Windows System will auto restart and update BIOS while system startup screen.
3. After BIOS update finished, system will auto reboot to take effect.

Note : Please make sure you suspend BitLocker encryption before updating BIOS on a BitLocker enabled system.
If you don't enable BitLocker on your system you can ignore it.

Need help with BIOS issues?

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

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