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
- Z INFO SERVICE BIOS - SCHEMATIC - BOARDVIEW @ZINFOSERVICECHANNEL1 · 6 Dec 2025Open post
R1How to download Z INFO SERVICE ACER ASPIRE 7 A715 42G GH5VZ LA-K831P REV 1A 2021
- Press Download in Telegram. The post opens in the Telegram app, or on a t.me preview page — choose “View in Telegram”.
- 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.
- 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.