Apple A1278 K24 820-2530-A 2009 4MB BIOS OLD 100% OK.bin

TXTAbout Apple A1278 K24 820-2530-A 2009 4MB BIOS OLD 100% OK BIOS / EC firmware

Apple A1278 K24 820-2530-A 2009 4MB BIOS OLD 100% OK is an Apple A1278 / K24 BIOS / EC firmware dump for board 820-2530-A (4 MB) — tested. The BIN file is 4.0 MB. It was first posted on 15 Sept 2026 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 820-2530-A.

For the same board you can also find a schematic and board packs — see all 820-2530-A files.

J1Download 820-2530-A BIOS / EC firmware from Telegram

R1How to download Apple A1278 K24 820-2530-A 2009 4MB BIOS OLD 100% OK

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 A1278 K24 820-2530-A 2009 4MB BIOS OLD 100% OK.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 820-2530-A. 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?