How to Bios Flash your Steam Deck bios without a backup copy.

Channel:
Diy Papi
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5,160
Published on ● Video Link: https://www.youtube.com/watch?v=IE5ziAT6Mn0


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Guide
Duration: 23:59
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31

Flashing your Steam Deck Bios

Hardware needed to perform a bios flash (paid links)
CH341A + SOIC8 Clip + 1.8V Adapter
https://amzn.to/3Tg16JK

This is a better SOIC8 Clip, Clips way easier than the one included in the kit above.
https://amzn.to/3SRgcnI

Downloads:
BIOS - https://github.com/DiyPapi/Steam-Deck-Bios.git
Asprogrammer - https://github.com/DiyPapi/BIOS-Flasher.git
Hex editer - https://freehexeditorneo.com

Search commands needed for HEX editor, in the order needed

$_IFLASH_BIOSIMG

$DMI

$_IFLASH_INI_IMG

Here are the links to the links to the Reddit post that made this possible

This post outlines what is needed to do a bios flash:
https://www.reddit.com/r/SteamDeck/comments/123ml95/how_to_reflash_your_steam_deck_bios_chip/

This post has since been deleted but was archived, and outlines how to edit your Steam deck bios.
https://www.stanto.com/steam-deck/unbricking-your-steam-deck-without-a-bios-backup/



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Tags:
Steam deck
Fixing your steam deck
steam deck bios
steam deck Bios flashing
how to flash your steam decks bios