Z_INFO_SERVICE_DELL_LATITUDE_5420_GDF40_LA_K491P_REV_2_0_A01_2020.rar

TXTAbout Z INFO SERVICE DELL LATITUDE 5420 GDF40 LA-K491P REV 2 0 A01 2020 BIOS / EC firmware

Z INFO SERVICE DELL LATITUDE 5420 GDF40 LA-K491P REV 2 0 A01 2020 is a Dell GDF40 / A01 BIOS / EC firmware dump for board LA-K491P (32 MB) — tested. It is packed in a RAR archive of 11.6 MB, board revision 2, I7 CPU. It was first posted on 4 Nov 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-K491P revision 2.

For the same board you can also find a schematic, board packs and a boardview — see all LA-K491P files.

MSGFrom the Telegram post

Z INFO SERVICE DELL LATITUDE 5420 GDF40 LA-K491P REV 2.0 (A01) 2020-11-16 I7-11TH GEN 32 MB CLEAN TESTED OK DONE BIOS 100% TESTED OK BIOS

J1Download LA-K491P BIOS / EC firmware from Telegram

R1How to download Z INFO SERVICE DELL LATITUDE 5420 GDF40 LA-K491P REV 2 0 A01 2020

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 Z_INFO_SERVICE_DELL_LATITUDE_5420_GDF40_LA_K491P_REV_2_0_A01_2020.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 LA-K491P. 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?