BIOS

DAX8QMB28A0_REV_A_MAIN+EC_HP_PROBOOK_440_G8_S_BIOS_WORLD_BIN.rar

BIOS / EC firmware for HP · board DAX8QMB28A0 · 13.2 MB · shared in 1 Telegram post.

TXTAbout DAX8QMB28A0 REV A MAIN+EC HP PROBOOK 440 G8 S BIOS WORLD BIN BIOS / EC firmware

DAX8QMB28A0 REV A MAIN+EC HP PROBOOK 440 G8 S BIOS WORLD BIN is an HP BIOS / EC firmware dump for board DAX8QMB28A0 (32 MB) — ME clean, EC firmware, password unlock, tested. It is packed in a RAR archive of 13.2 MB, I7 CPU. It was first posted on 24 Feb 2026 and is available in 1 Telegram channel.

Write it with an SPI programmer such as CH341A, RT809H or XGecu T48 to revive a board after a failed BIOS update, fix a corrupted Intel ME region or remove a forgotten BIOS password. Read and save the original chip first, and check that your board is DAX8QMB28A0.

Type
BIOS & EC
Format
.rar · RAR archive
Size
13.2 MB
Brand
HP
Board number
DAX8QMB28A0
Flash size
32 MB
CPU
I7
Notes
ME clean, EC firmware, password unlock, tested
First posted
24 Feb 2026
Last posted
24 Feb 2026
Sources
1

Tags

MSGFrom the Telegram post

Model: HP PROBOOK 440 G8 Board: DAX8QMB28A0 REV A CPU: Intel Core I7 11TH GEN BIOS Size: 32MB+32MB MAIN AND EC CLEANME Tested Working File: DAX8QMB28A0 REV A HP PROBOOK 440 G8 S BIOS WORLD BIOS Editing Expert S BIOS WORLD Dell HP Lenovo Asus Acer Apple MSI Desktop BIOS Password Unlock SSD Detect Fix Corrupt BIOS Repair ME Clean Advanced Mods

J1Download DAX8QMB28A0 BIOS / EC firmware from Telegram

R1How to download DAX8QMB28A0 REV A MAIN+EC HP PROBOOK 440 G8 S BIOS WORLD BIN

  1. Press Download in Telegram. The post opens in the Telegram app, or on a t.me preview page — choose “View in Telegram”.
  2. You don’t need to join the channel. Tap the file DAX8QMB28A0_REV_A_MAIN+EC_HP_PROBOOK_440_G8_S_BIOS_WORLD_BIN.rar to download it.
  3. Open it with 7-Zip (free) or WinRAR.

If a post was deleted, try another source above or search for DAX8QMB28A0. Step-by-step help: downloading from Telegram.

Back up the original chip twice before writing this dump, and check that the board number and chip size match. See how to flash a BIOS chip.

.RARWhat is a .rar file and how to open it?

RAR archive. A compressed folder. It can hold a schematic, a boardview, a BIOS dump or all three.

Open with:

  • 7-Zip (free)
  • WinRAR

Tip: If the archive asks for a password, look for it in the Telegram post text.