BIOS

mackbook A1708 820-00840-01.zip

BIOS / EC firmware for Apple A1708 · board 820-00840 · 5.2 MB · shared in 2 Telegram posts.

TXTAbout mackbook A1708 820-00840-01 BIOS / EC firmware

mackbook A1708 820-00840-01 is an Apple A1708 BIOS / EC firmware dump for board 820-00840. It is packed in a ZIP archive of 5.2 MB. It was first posted on 23 Feb 2019 and is available in 2 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 820-00840.

Type
BIOS & EC
Format
.zip · ZIP archive
Size
5.2 MB
Brand
Apple
Board number
820-00840
Model
A1708
First posted
23 Feb 2019
Last posted
28 Oct 2019
Sources
2

Tags

J1Download 820-00840 BIOS / EC firmware from Telegram

R1How to download mackbook A1708 820-00840-01

  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 mackbook A1708 820-00840-01.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 820-00840. 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)