Dell Latitude 3420/3520 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.
hi testing
Driver Id : Y37FW
Importance : Critical
Version : 1.40.0, 1.40.0 Latest version Recommended version Latest and Recommended version
Release Date : 09 Apr 2025
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 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.

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: Latitude_3420_Latitude_3520_01.40.0.exe
File size: 64.5 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: fb328bb7cc2d08799f90c3ad5c310038
SHA1: 72d982fe5f73f0cd98e15ad79a553797042343d8
SHA-256: 31e4f0b605b1b5890a5f510690292d59fe08164a19084444d51f2329c48f1db8
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: BIOS_IMG.rcv
File size: 64.5 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: fb328bb7cc2d08799f90c3ad5c310038
SHA1: 72d982fe5f73f0cd98e15ad79a553797042343d8
SHA-256: 31e4f0b605b1b5890a5f510690292d59fe08164a19084444d51f2329c48f1db8
Download .RCV