Dell XPS 15 9500 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.

Driver Id : W5D4J

Importance : Critical

Version : 1.8.1, 1.8.1 Latest version Recommended version Latest and Recommended version

Release Date : 23 Jun 2021

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 the Intel Security Advisories INTEL-SA-00459, INTEL-SA-00464, and INTEL-SA-00463. A security advisory is a statement when a security vulnerability impacts a product, and a remedy is available for the vulnerability.

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: XPS_9500_1.8.1.exe

File size: 26.52 MB

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

MD5: 637cde34a1d35f85fbc3adec47a3d4b8

SHA1: 77698fc31b8cf4f9dbf7f267e960d19a38941d6c

SHA-256: a35104a97feeb949c33a6b7eaf8bb9e2cf2fde2e534455c12c9db99a363915e5

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: XPS_9500_1.8.1.rcv

File size: 26.52 MB

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

MD5: 637cde34a1d35f85fbc3adec47a3d4b8

SHA1: 77698fc31b8cf4f9dbf7f267e960d19a38941d6c

SHA-256: a35104a97feeb949c33a6b7eaf8bb9e2cf2fde2e534455c12c9db99a363915e5

Download .RCV

Fixes & Enhancements

- Firmware updates to address security vulnerabilities.
- Firmware security updates to address CVE-2021-21571 and CVE-2021-21572.
- Firmware updates to address the Intel Security Advisory INTEL-SA-00459 (CVE-2020-24507, CVE-2020-8703, CVE-2020-24506, and CVE-2020-24516).
- Firmware updates to address the Intel Security Advisory INTEL-SA-00464 (CVE-2020-24511 and CVE-2020-24512).
- Firmware updates to address the Intel Security Advisory INTEL-SA-00463 (CVE-2020-12359).

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.

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 XPS 15 9500 System BIOS

Download Files

Fixes & Enhancements

Important Information

Compatible Systems

Supported Operating Systems

Installation instructions

Applies to