Dell Precision 3480

Firmware History

1. 1.29.0

   2026-03-16

   - This release contains security updates as disclosed in the Dell Security Advisory DSA-2026-089. The DSA details are published on the Security Advisories, Notices, and Resources page, once they are publicly available. For more information about the release schedule, see Dell Client Drivers and Downloads Update Release Schedule. - Fixed the issue where the network disconnects when the system resumes from shutdown or restart mode. - Fixed the issue where the IPV4 device is not displayed at the top of the Boot Sequence in the BIOS Setup.

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