BIOS

Acer_Aspire_ES1_531_Domino_BA_MB_14285_1_25LB64CSIG_25Q64FWSIG.zip

BIOS / EC firmware for Acer ES1 / 25LB64CSIG / 25Q64FWSIG · 3.2 MB · shared in 4 Telegram posts.

TXTAbout Acer Aspire ES1 531 Domino BA MB 14285 1 25LB64CSIG 25Q64FWSIG BIOS / EC firmware

Acer Aspire ES1 531 Domino BA MB 14285 1 25LB64CSIG 25Q64FWSIG is an Acer ES1 / 25LB64CSIG / 25Q64FWSIG BIOS / EC firmware dump. It is packed in a ZIP archive of 3.2 MB. It was first posted on 1 Jul 2023 and is available in 4 Telegram channels.

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 ES1.

Type
BIOS & EC
Format
.zip · ZIP archive
Size
3.2 MB
Brand
Acer
Model
ES1, 25LB64CSIG, 25Q64FWSIG
First posted
1 Jul 2023
Last posted
11 Sept 2025
Sources
4

Tags

MSGFrom the Telegram post

Acer Aspire ES1 531 Domino BA MB 14285 1 25LB64CSIG 25Q64FWSIG Bios

J1Download ES1 BIOS / EC firmware from Telegram

R1How to download Acer Aspire ES1 531 Domino BA MB 14285 1 25LB64CSIG 25Q64FWSIG

  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 Acer_Aspire_ES1_531_Domino_BA_MB_14285_1_25LB64CSIG_25Q64FWSIG.zip to download it.
  3. Open it with Built into Windows and macOS or 7-Zip (free).

If a post was deleted, try another source above or search for ES1. 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.

.ZIPWhat is a .zip file and how to open it?

ZIP archive. A compressed folder with one or more files inside.

Open with:

  • Built into Windows and macOS
  • 7-Zip (free)