BIOS

Z_INFO_SERVICE_ACER_ASPIRE_7_A715_42G_GH5VZ_LA_K831P_REV_1A_2021.RAR

BIOS / EC firmware for Acer A715 / 42G / GH5VZ · board LA-K831P · 5.0 MB · shared in 1 Telegram post.

TXTAbout Z INFO SERVICE ACER ASPIRE 7 A715 42G GH5VZ LA-K831P REV 1A 2021 BIOS / EC firmware

Z INFO SERVICE ACER ASPIRE 7 A715 42G GH5VZ LA-K831P REV 1A 2021 is an Acer A715 / 42G / GH5VZ BIOS / EC firmware dump for board LA-K831P (16 MB) — tested. It is packed in a RAR archive of 5.0 MB, board revision 1A, Ryzen 5 CPU. It was first posted on 6 Dec 2025 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 LA-K831P revision 1A.

For the same board you can also find a schematic and a boardview — see all LA-K831P files.

Type
BIOS & EC
Format
.rar · RAR archive
Size
5.0 MB
Brand
Acer
Board number
LA-K831P
Model
A715, 42G, GH5VZ
Revision
1A
Flash size
16 MB
CPU
Ryzen 5
Notes
tested
First posted
6 Dec 2025
Last posted
6 Dec 2025
Sources
1

Tags

MSGFrom the Telegram post

Z INFO SERVICE ACER ASPIRE 7 A715-42G GH5VZ LA-K831P REV 1A 2021-02-05 16 MB AMD RYZEN 5 TESTED OK DONE BIOS 100% TESTED OK BIOS

J1Download LA-K831P BIOS / EC firmware from Telegram

R1How to download Z INFO SERVICE ACER ASPIRE 7 A715 42G GH5VZ LA-K831P REV 1A 2021

  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 Z_INFO_SERVICE_ACER_ASPIRE_7_A715_42G_GH5VZ_LA_K831P_REV_1A_2021.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 LA-K831P. 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.