Asus X502C Series X402CA Mainboard REV2.1 W25Q64FVSIG.bin

TXTAbout Asus X502C Series X402CA Mainboard REV2.1 W25Q64FVSIG BIOS / EC firmware

Asus X502C Series X402CA Mainboard REV2.1 W25Q64FVSIG is an Asus X502C / X402CA / W25Q64FVSIG BIOS / EC firmware dump. The BIN file is 8.0 MB, board revision 2.1. It was first posted on 4 Jul 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 X502C revision 2.1.

J1Download X502C BIOS / EC firmware from Telegram

R1How to download Asus X502C Series X402CA Mainboard REV2.1 W25Q64FVSIG

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 Asus X502C Series X402CA Mainboard REV2.1 W25Q64FVSIG.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 X502C. 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?