A1502-820-4924-A_BB.rar

TXTAbout A1502-820-4924-A BB BIOS / EC firmware

A1502-820-4924-A BB is an Apple BIOS / EC firmware dump for board 820-4924-A — tested. It is packed in a RAR archive of 3.8 MB. It was first posted on 8 Nov 2020 and is available in 4 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 820-4924-A.

For the same board you can also find a schematic and a boardview — see all 820-4924-A files.

MSGFrom the Telegram post

worked TESTED OK 100%

J1Download 820-4924-A BIOS / EC firmware from Telegram

R1How to download A1502-820-4924-A BB

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 A1502-820-4924-A_BB.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 820-4924-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.

.RARWhat is a .rar file and how to open it?