BIOS

LENOVO_THINKPAD_X1_CARBON_11246_1_LGS_1_MB_48_4RQ21_011_TYPE_3443.rar

BIOS / EC firmware for Lenovo 4RQ21 · board 11246-1 · 5.8 MB · shared in 1 Telegram post.

TXTAbout LENOVO THINKPAD X1 CARBON 11246-1 LGS 1 MB 48 4RQ21 011 TYPE 3443 BIOS / EC firmware

LENOVO THINKPAD X1 CARBON 11246-1 LGS 1 MB 48 4RQ21 011 TYPE 3443 is a Lenovo 4RQ21 BIOS / EC firmware dump for board 11246-1 (1 MB) — EC firmware, tested. It is packed in a RAR archive of 5.8 MB. It was first posted on 2 Apr 2023 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 11246-1.

For the same board you can also find a boardview — see all 11246-1 files.

Type
BIOS & EC
Format
.rar · RAR archive
Size
5.8 MB
Brand
Lenovo
Board number
11246-1
Model
4RQ21
Flash size
1 MB
Notes
EC firmware, tested
First posted
2 Apr 2023
Last posted
2 Apr 2023
Sources
1

Tags

MSGFrom the Telegram post

LENOVO THINKPAD X1 CARBON 11246-1 LGS-1 MB 48.4RQ21-011 TYPE 3443-8CCS WORKING BIOS&EC 100% OOOOKKKK TESTED OK 100%

J1Download 11246-1 BIOS / EC firmware from Telegram

R1How to download LENOVO THINKPAD X1 CARBON 11246-1 LGS 1 MB 48 4RQ21 011 TYPE 3443

  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_X1_CARBON_11246_1_LGS_1_MB_48_4RQ21_011_TYPE_3443.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 11246-1. 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.