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 E5270/E5470/E5570 and Precision 3510 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 Intel Security Advisories INTEL-SA-00289, INTEL-SA-00317, INTEL-SA-00295, INTEL-SA-00320, and INTEL-SA-00329. A security advisory is a statement when a security vulnerability impacts a product, and a remedy is available for the vulnerability.
To view all drivers for your Latitude E5270, go to Drivers and downloads.
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Latitude_E5x70_Precision_3510_1.23.3.exe | 14.39 MB
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File Format: CPG BIOS Executable for Windows/DOS
File Name: Latitude_E5x70_Precision_3510_1.23.3.exe
File Size: 14.39 MB
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:
c5c4f39be8619a30a5febdf03d84d789
SHA1:
296b54cce1866f8c0b460223033c90ba343bafaa
SHA-256:
c500edfdcc763b97eefd127e4519f4f8ea647196925731b29ad24c1deab6669d

Find more updates. Use SupportAssist to find all the latest driver updates for your device.

Fixes & Enhancements

- Firmware updates to address the Intel Security Advisories INTEL-SA-00289 (CVE-2019-11157) and INTEL-SA-00317 (CVE-2019-14607).
- Firmware updates to address the Intel Security Advisory INTEL-SA-00295 (CVE-2020-0531, CVE-2020-0532, CVE-2020-0533, CVE-2020-0535, CVE-2020-0536, CVE-2020-0537, CVE-2020-0538, CVE-2020-0539, CVE-2020-0540, CVE-2020-0545, CVE-2020-0594, CVE-2020-0595, CVE-2020-0596, and CVE-2020-8674).
- Firmware updates to address the Intel Security Advisory INTEL-SA-00320 (CVE-2020-0543).
- Firmware updates to address the Intel Security Advisory INTEL-SA-00329 (CVE-2020-0548 and CVE-2020-0549).
- Fixed the issue where the system Master Password does not work.
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Version

1.23.3, 1.23.3

Release date

20 Oct 2020

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.

Additional details

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- Once the BIOS is upgraded, you cannot downgrade the BIOS EXE/Recovery (RCV) to versions earlier than 1.1.8 due to restrictions. 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.
1.34.323 Dec 2022
1.33.309 Nov 2022
1.32.312 Aug 2022
1.31.313 Jul 2022
1.30.323 May 2022
1.29.428 Jan 2022
1.28.310 Nov 2021
1.27.314 Oct 2021
1.26.330 Jul 2021
1.25.328 Apr 2021
1.22.305 May 2020
1.21.625 Feb 2020
1.19.323 Oct 2018
1.18.606 Feb 2018
1.17.328 Sep 2017
1.15.426 Jun 2017
1.14.416 May 2017
1.12.614 Mar 2017
1.11.428 Dec 2016
1.10.507 Nov 2016
1.9.430 Sep 2016
01.08.0303 Aug 2016
1.7.307 Jul 2016
1.06.0322 Jun 2016
1.05.0005 May 2016
1.04.0716 Mar 2016
1.03.0829 Jan 2016
1.03.0615 Jan 2016
1.02.0307 Dec 2015
Dell Latitude E5270/E5470/E5570, Precision 3510
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.
5. 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 the 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. You do not need a bootable USB drive.
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 Flash Progress bar at the Dell logo screen. The system restarts again when the Flash update is complete.

Need help with BIOS issues?

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

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