Dell Inspiron 15 3520 and Vostro 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 : 7X0YX
Importance : Critical
Version : 1.28.0, 1.28.0 Latest version Recommended version Latest and Recommended version
Release Date : 08 Oct 2024
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: Inspiron_Vostro_3420_3520_1.28.0.exe
File size: 126.98 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 267fd2a4d460f97b0367bdedfe186801
SHA1: b3364aef37338b01696b3f6932699c31942ea904
SHA-256: 707326ea454090a1580b20263e58b4e20efee0205f162c963c7d6f4986c49a48
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: 126.97 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 853b033d35054ca4d71b42783b0e3678
SHA1: 29bad8a0133a68ea56f5f8d0b3de0e15b850d3a6
SHA-256: 5f7fd9b885fe43fe195d201504999864c47dee903e2ff33854d73d5c91f80a8a