LKN-4 WS MB 11220-3 48.4QE12.031 WORKING BIOS 100%.rar
BIOS / EC firmware · board 11220-3 · 24.6 MB · shared in 3 Telegram posts.
TXTAbout LKN-4 WS MB 11220-3 48.4QE12.031 WORKING BIOS 100% BIOS / EC firmware
LKN-4 WS MB 11220-3 48.4QE12.031 WORKING BIOS 100% is a LKN-4 / 48.4QE12.031 BIOS / EC firmware dump for board 11220-3 — tested. It is packed in a RAR archive of 24.6 MB. It was first posted on 26 Feb 2024 and is available in 3 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 11220-3.
For the same board you can also find a boardview and a schematic — see all 11220-3 files.
- Type
- BIOS & EC
- Format
- .rar · RAR archive
- Size
- 24.6 MB
- Brand
- —
- Board number
- 11220-3
- Model
- LKN-4, 48.4QE12.031
- Notes
- tested
- First posted
- 26 Feb 2024
- Last posted
- 13 Sept 2025
- Sources
- 3
Tags
MSGFrom the Telegram post
LKN-4 WS MB 11220-3 48.4QE12.031 WORKING BIOS 100% OKOKOKOK TESTED OK 100%
J1Download 11220-3 BIOS / EC firmware from Telegram
- Schematic & Bios & Boardview laptop 💻 @schematiclaptopramkushwaha · 13 Sept 2025Open post
- GENERAL BIOS 💻💻 @generalbios · 14 Jul 2024Open post
- BIOS ARCHIVE | BIOS |Laptop Firmware & Tools @biosarchive · 26 Feb 2024Open post
R1How to download LKN-4 WS MB 11220-3 48.4QE12.031 WORKING BIOS 100%
- 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 LKN-4 WS MB 11220-3 48.4QE12.031 WORKING BIOS 100%.rar to download it.
- Open it with 7-Zip (free) or WinRAR.
If a post was deleted, try another source above or search for 11220-3. 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.