LENOVO_T460S_BT460_NM_A421_REV_4_0_2016_04_HF_TYPE_20HG_UNLOCK_BIOS.rar

TXTAbout LENOVO T460S BT460 NM-A421 REV 4 0 2016 04 HF TYPE 20HG UNLOCK BIOS BIOS / EC firmware

LENOVO T460S BT460 NM-A421 REV 4 0 2016 04 HF TYPE 20HG UNLOCK BIOS is a Lenovo T460S / BT460 / 20HG BIOS / EC firmware dump for board NM-A421 — password unlock, tested. It is packed in a RAR archive of 15.4 MB, board revision 4. It was first posted on 12 Mar 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 NM-A421 revision 4.

For the same board you can also find a schematic, a boardview and board packs — see all NM-A421 files.

MSGFrom the Telegram post

LENOVO T460S BT460 NM-A421 REV 4.0 2016-04 HF TYPE 20HG UNLOCK BIOS 100% OKOKOKOK Unlock T460S patched-OK TESTED AND WORKING 100% OOOKKK Remove all battery and CMOS battery press F1 to enter setup: password 1234 wait 20sec or more. Enter any ID to hardware Id. Press 2x space bar when asked. Turn off the computer. and restore your original bios . Enjoy. If 2x 5beep, it's normal. Wait minimum 30sec before screen logo light on. Must turn on/off several times by itself. bios archive team TESTED OK 100%

J1Download NM-A421 BIOS / EC firmware from Telegram

R1How to download LENOVO T460S BT460 NM-A421 REV 4 0 2016 04 HF TYPE 20HG UNLOCK BIOS

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_T460S_BT460_NM_A421_REV_4_0_2016_04_HF_TYPE_20HG_UNLOCK_BIOS.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 NM-A421. 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?