Apple · laptop motherboard

Apple 820-3637

BIOS
Board code
820-3637
Revisions
Rev A
Files
1
Updated

Apple 820-3637 is a laptop motherboard.

The catalog has one BIOS file for it, posted in 2021. Each download button opens the original Telegram post.

The files are marked Rev A; other revisions of the same board can differ in parts and layout.

Read and save the original chip contents before you write anything to it — Keeping the Windows Product Key (MSDM) When Reflashing a BIOS.

Files for Apple 820-3637

BIOS and firmware 1 All bios and firmware →

Frequently asked questions

Which revision of 820-3637 do I have?
Files for this board mention Rev A. The revision is printed on the PCB silkscreen, usually next to the board code. Pick files with the same revision when you can; if yours is not listed, the closest revision is usually fine for the schematic but check part positions in the boardview carefully.
What should I check before flashing the 820-3637 BIOS?
Read the original chip with a programmer and save two copies before writing anything. A dump from another board carries that board's serial number and MAC address, so restore yours from the backup.

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Files are hosted on Telegram by third parties; ExcitingSpas.com only links to public posts. Check that a file matches your board before using it. Disclaimer · Report a file