For more information about USB invocation script, see the Edge Gateway USB script utility User's Guide at www.dell.com/support/home/us/en/19/product-support/product/dell-edge-gateway-3000-series/drivers/.Flashing the BIOS from a USB flash drivePrerequisites• BIOS file. Download the file from www.dell.com/support.• A blank USB 2.0 or 3.0 USB flash drive with at least 4 GB of storage space.Follow these steps to update the BIOS:1. Power off the Edge Gateway.2. Copy the BIOS update file to a USB flash drive.3. Insert the USB flash drive in one of the available USB ports on the Edge Gateway.4. Power on the Edge Gateway.5. Press F12 when the system is starting up to enter the one-time boot screen.6. On the one-time boot screen, choose Flash the BIOS.7. In the next screen, select the BIOS file on the USB flash drive.8. Start the flash process.Updating the BIOS on a Windows systemFollow these steps to update the BIOS:1. After connecting to the Edge Gateway.NOTE: Connect and login to the Edge Gateway with one these options:• Remote system configuration• Static IP system configuration (only for Edge Gateway 3002 and 3003)2. Go to www.dell.com/support.3. Click Product support, enter the Service Tag of your system, and then click Submit.NOTE: If you do not have the Service Tag, use the auto-detect feature or manually browse to your system model.4. Click Drivers & downloads.5. Select the operating system installed on your system.6. Scroll down the page and expand BIOS.7. Click Download to download the latest version of the BIOS for your system.8. After the download is complete, navigate to the folder where you saved the BIOS file.9. Double-click the BIOS update file icon and follow the instructions on the screen.Using UEFI capsule update on an Ubuntu systemThe fwupgmgr tool or commands are used to update the UEFI BIOS on the system. The UEFI BIOS for this platform is releasedthrough online Linux Vendor File System (LVFS) based methodsDell recommends that you enable the UEFI Capsule update by default so that it is running in the background to keep the systemBIOS up to date.NOTE: For more information about fwupd commands, see www.fwupd.org/users.Without an internet connection1. Download the latest .cab file from secure-lvfs.rhcloud.com/lvfs/devicelist.2. Check the current BIOS details.$ sudo uefi-fw-tools.fwupdmgr get-devices65