Dell XPS 15Z

The Dell XPS 15Z was built on 2 different main boards: LA-7851P and DASS8BMBAE1. Indexed: 4 BIOS files and 1 EC firmware image.

Earliest upload: March 2020.

BIOS dumps 4

Model facts

BrandDell
SeriesXPS
Board revisionsE
BIOS chip size4 MB
First seen2020-03-07
Source channelsBIOS Archive, BIOS Skema Boardview Laptop

Main boards used in Dell XPS 15Z

Tools to open these files

FormatWhat it isOpen with
.rarRAR archive7-Zip or WinRAR
.binBIOS image inside the archive (usually .bin)a CH341A, XGecu T48 / TL866II Plus or RT809H programmer

Questions

Which motherboard does the Dell XPS 15Z use?

The files link the Dell XPS 15Z to LA-7851P and DASS8BMBAE1. Check the number printed on your board before flashing anything.

What size is the Dell XPS 15Z BIOS chip?

The BIOS dumps for this model are 4 MB.

Where do the download links go?

To the original public Telegram post of each file. ChambersDesignInc.com does not host files.