BIOS

Lenovo_ThinkPad_L440_LOS_1_MB_12289_2_48_4LG04_021_orignal_ok.BIN

BIOS / EC firmware for Lenovo L440 / 4LG04 · 8.0 MB · shared in 1 Telegram post.

TXTAbout Lenovo ThinkPad L440 LOS 1 MB 12289 2 48 4LG04 021 orignal ok BIOS / EC firmware

Lenovo ThinkPad L440 LOS 1 MB 12289 2 48 4LG04 021 orignal ok is a Lenovo L440 / 4LG04 BIOS / EC firmware dump (1 MB) — tested. The BIN file is 8.0 MB. It was first posted on 9 Oct 2021 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 L440.

Type
BIOS & EC
Format
.bin · BIN firmware dump
Size
8.0 MB
Brand
Lenovo
Model
L440, 4LG04
Flash size
1 MB
Notes
tested
First posted
9 Oct 2021
Last posted
9 Oct 2021
Sources
1

Tags

J1Download L440 BIOS / EC firmware from Telegram

R1How to download Lenovo ThinkPad L440 LOS 1 MB 12289 2 48 4LG04 021 orignal ok

  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 Lenovo_ThinkPad_L440_LOS_1_MB_12289_2_48_4LG04_021_orignal_ok.BIN to download it.
  3. Open it with Write it with a programmer: CH341A, RT809H, XGecu T48 and similar or Inspect it with a hex editor (HxD).

If a post was deleted, try another source above or search for L440. 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.

.BINWhat is a .bin file and how to open it?

BIN firmware dump. A raw copy of a flash chip (BIOS, EC or GPU VBIOS).

Open with:

  • Write it with a programmer: CH341A, RT809H, XGecu T48 and similar
  • Inspect it with a hex editor (HxD)

Tip: The file size must match the chip: 4 MB for 25Q32, 8 MB for 25Q64, 16 MB for 25Q128, 32 MB for 25Q256.