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Created February 14, 2026 06:19
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How to update HP ZBook Ultra G1a BIOS on Linux
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README.md

How to update HP ZBook Ultra G1a BIOS on Linux

Important

Ensure your AC adapter is plugged in throughout the process.

Download the BIOS

Go to the HP Support Page.

  • Select Windows (via "Choose a different OS") to see the Bios section.
  • Download the latest .exe file (e.g., sp170065.exe).

Extract the Firmware

Extract the contents of the downloaded file:

7z x sp170065.exe -o/tmp/bios_update
cd /tmp/bios_update

Stage the BIOS File

Clear the target directory and copy the new .bin file to the EFI partition:

sudo rm -f /boot/efi/EFI/HP/DEVFW/*
sudo cp *.bin /boot/efi/EFI/HP/DEVFW/

Flash via UEFI Menu

  1. Reboot and tap F2 to enter HP PC Hardware Diagnostics..
  2. Select Update BIOS.
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