520S_14IKB_Type_81BL_Type_80X2_4QCN43WW_V2_07_Lenovo_Ideapad.BIN

TXTAbout 520S 14IKB Type 81BL Type 80X2 4QCN43WW V2 07 Lenovo Ideapad BIOS / EC firmware

520S 14IKB Type 81BL Type 80X2 4QCN43WW V2 07 Lenovo Ideapad is a Lenovo 520S / 14IKB / 81BL BIOS / EC firmware dump. The BIN file is 8.0 MB. It was first posted on 22 Sept 2023 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 520S.

J1Download 520S BIOS / EC firmware from Telegram

R1How to download 520S 14IKB Type 81BL Type 80X2 4QCN43WW V2 07 Lenovo Ideapad

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 520S_14IKB_Type_81BL_Type_80X2_4QCN43WW_V2_07_Lenovo_Ideapad.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 520S. 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?