Download Files
File Format: Dell Update Packages in native Microsoft Windows 64-bit format do not require that Microsoft WOW64 be installed on the Microsoft Windows Server.
File Name: BIOS_R40P6_WN64_1.26.0.EXE
File size: 35.59 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: dfd5351499b3cb71a5e040563efb8f9c
SHA1: 20fd712c58457e66e986d24d2f08c4dc6b344cf4
SHA-256: f2e9565bf8c7ac09667c5d6643e8439b9005380572812b8495d192e7775e2bc0
File Format: The GnuPG signature for Red Hat Linux Update Package can be used to authenticate Dell's identity in the correlated Red Hat Linux Update Package.
File Name: BIOS_R40P6_LN64_1.26.0.BIN.sign
File size: 842 Bytes
To ensure the integrity of your download, please verify the checksum value.
MD5: d68164774bc59eb781d53b322eb66ad2
SHA1: 2881bae87d4b050bd44ce2a7b34a77a9244782a1
SHA-256: 1a5cc367a3c44e8708f66277ea23748f3da806a9edde5357b9e7377298c2a4be
File Format: This file contains compressed content that can be executed from the EFI Shell or EFI Boot Manager. Download the file to the EFI partition on a removable media device. Insert the removable media, then reboot the system and run the program from the EFI Shell or EFI Boot Manager.
File Name: R7425-012600.efi
File size: 15.34 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 410454ecc1958d6881334ec6d0d7b386
SHA1: d860cdbc466f6f03bf20a3b79c4253ee493d0823
SHA-256: 5d5cb92f7b174fdd3fe9781aa7937411f2984424c9a7fa3538a945366b04d425
File Format: This format consists of an archive of PDF files used to provide help and procedural information to the customer. It is necessary to install the Adobe Acrobat Reader first to view the files in this archive.
File Name: R7425_BIOS_1.26.0_RN.pdf
File size: 165.12 KB
To ensure the integrity of your download, please verify the checksum value.
MD5: 07a725250bc2aa07aa9111ced22d9932
SHA1: db7bd1a6d693e22f2f3146c5d7913d27e024dd90
SHA-256: df86fd84afc49ffa0cd9229469f2230af6e78fece987240613ebe34e53a7b9c2
File Format: Dell Update Packages for Linux can be used as stand-alone applications that ensure that specific validation criteria are met, then apply an update.
Note: Update Packages for Linux are open source. See the Dell Update Packages for Linux Readme for details.
File Name: BIOS_R40P6_LN64_1.26.0.BIN
File size: 25.2 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 883a08e31e60d91b87cd7db964985a23
SHA1: 689819a913e7329229e0529a7d288334ee6ccf18
SHA-256: 69652b50b49c639836109d5aa86ef0f1b5e94845f2ab5d887c4f4ed868db3fb3
Fixes & Enhancements
This product release contains security update DSA-2025-298 and DSA-2025-299. Any security fix information will be accessible on the Dell Security Advisories and Notices website.
Upgraded (AMD Generic Encapsulated Software Architecture) AGESA version to 1.0.0.Q.
Important Information
This release provides continued code optimization to improve stability and performance.
Supported Operating Systems
Installation instructions
Dell Update Package Instructions for DRMK
Download
1. Click the "Download" link to download the file.
2. If the Export Compliance Disclaimer window appears, click the "I agree" link if you accept the agreement.
3. When the File Download window appears, click "Save" to save the file to your hard drive.
Installation
NOTE: You must provide a DOS bootable media, such as a USB key. This executable file does not create the DOS system files.
1. Browse to the location where you downloaded the file.
2. Update the name of the file to DOS recognizable format (8.3). If you do not update the filename to 8.3 format, the filename will be truncated to 8.3 format.
3. Copy the file to the bootable device.
4. Boot the system to DOS by using the bootable device.
5. Run the executable under DOS. Follow the instructions provided by the flash utility.
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Dell Update Package Instructions for EFI
Download
1. Click the "Download" link to download the file.
2. If the Export Compliance Disclaimer window appears, click the "I agree" link if you accept the agreement.
3. When the File Download window appears, click "Save" to save the file to your hard drive.
Installation
You can update the BIOS using a UEFI shell bootable media, such as a USB key.
1. Copy the file to the bootable device with UEFI shell.
2. Boot the system to UEFI shell by using the bootable device.
3. Run the executable (.efi) under the UEFI shell. Follow the instructions provided by the flash utility.
You can also load this executable directly from BIOS Boot Manager without a UEFI shell bootable media.
1. Copy the file to a USB device
2. Plug in the USB device and press F11 during POST to enter BIOS Boot Manager
3. Navigate to the System Utilities menu and select BIOS Update File Explorer
4. Select the USB device and navigate through the directory contents to find the executable (.efi)
5. Launch the executable and follow the instructions provided by the flash utility.
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Dell Update Package Instructions for Linux DUP:
Download
1. Click the "Download" link to download the file.
2. When the File Download window appears, click "Save" to save the file to your hard drive.
Installation
1. Read over the release information presented by executing the "./[model]_BIOS_LX_[revision].BIN --version" command from the shell.
2. Download and install any prerequisites identified in the above step before proceeding.
3. Install any necessary Embedded Systems Management firmware prior to this BIOS update.
4. Run the update by executing "./[model]_BIOS_LX_[version].BIN" from the shell.
5. Follow the remaining prompts to perform the update.
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Dell Update Package Instructions for Windows Dup:
Download
1. Click the "Download" link to download the file.
2. When the File Download window appears, click "Save" to save the file to your hard drive.
Installation
1. Browse to the location where you downloaded the file and double-click the new file.
2. Read over the release information presented in the dialog window.
3. Download and install any prerequisites identified in the dialog window before proceeding.
4. Install any necessary Embedded Systems Management firmware prior to this BIOS update.
5. Click the Install button.
6. Follow the remaining prompts to perform the update.
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GnuPG Signature of Dell Update Package Instructions:
Download
1. Click the "Download" link to download the file.
2. When the "File Download" window appears, click "Save" to save the file to your hard drive.
Installation
1. Import the Dell public key. (You only need to do once on your system.)
2.Verify the Dell Update Package by using its signature file, [model]_BIOS_LX_[version].BIN.sign