BIOS

Apple MacBook Pro - A1278 - J30 - 820-3115 3.rar

BIOS / EC firmware for Apple A1278 / J30 · board 820-3115 · 176 KB · shared in 2 Telegram posts.

TXTAbout Apple MacBook Pro - A1278 - J30 - 820-3115 3 BIOS / EC firmware

Apple MacBook Pro - A1278 - J30 - 820-3115 3 is an Apple A1278 / J30 BIOS / EC firmware dump for board 820-3115. It is packed in a RAR archive of 176 KB. It was first posted on 25 Feb 2025 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 820-3115.

For the same board you can also find a schematic, a boardview and board packs — see all 820-3115 files.

Type
BIOS & EC
Format
.rar · RAR archive
Size
176 KB
Brand
Apple
Board number
820-3115
Model
A1278, J30
First posted
25 Feb 2025
Last posted
4 Mar 2025
Sources
2

Tags

MSGFrom the Telegram post

Apple MacBook Pro - A1278 - J30 - 820-3115 3 POWER ON SEQUENCE STEP BY STEP

J1Download 820-3115 BIOS / EC firmware from Telegram

R1How to download Apple MacBook Pro - A1278 - J30 - 820-3115 3

  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 Apple MacBook Pro - A1278 - J30 - 820-3115 3.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 820-3115. 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?

RAR archive. A compressed folder. It can hold a schematic, a boardview, a BIOS dump or all three.

Open with:

  • 7-Zip (free)
  • WinRAR

Tip: If the archive asks for a password, look for it in the Telegram post text.