BIOS

X421FL Rev2.0_DISCRETE photo.zip

BIOS / EC firmware for Asus X421FL · 21.5 MB · shared in 4 Telegram posts.

TXTAbout X421FL Rev2.0 DISCRETE photo BIOS / EC firmware

X421FL Rev2.0 DISCRETE photo is an Asus X421FL BIOS / EC firmware dump. It is packed in a ZIP archive of 21.5 MB, board revision 2.0. It was first posted on 24 Sept 2022 and is available in 4 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 X421FL revision 2.0.

Type
BIOS & EC
Format
.zip · ZIP archive
Size
21.5 MB
Brand
Asus
Model
X421FL
Revision
2.0
First posted
24 Sept 2022
Last posted
8 Jun 2025
Sources
4

Tags

J1Download X421FL BIOS / EC firmware from Telegram

R1How to download X421FL Rev2.0 DISCRETE photo

  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 X421FL Rev2.0_DISCRETE photo.zip to download it.
  3. Open it with Built into Windows and macOS or 7-Zip (free).

If a post was deleted, try another source above or search for X421FL. 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.

.ZIPWhat is a .zip file and how to open it?

ZIP archive. A compressed folder with one or more files inside.

Open with:

  • Built into Windows and macOS
  • 7-Zip (free)