820-2850 is a Apple motherboard used in Apple devices. Enginerys has 19 schematics, 5 boardviews, 24 BIOS dumps and 17 archives for this board, collected from public Telegram channels.
Check that 820-2850 matches the number printed on your PCB, including the revision. Where to find it →
820-2850 schematics
- 820-2850 K18Schematic · 820-2850 · 2.05 MB · 1 Aug 2026Schematic pdf2.05 MB
- 820-2850 K18Schematic · 820-2850 · 2.05 MB · 31 Jul 2026Schematic pdf2.05 MB
- 820-2850 K18Schematic · 820-2850 · 2.05 MB · 24 Jul 2026Schematic pdf2.05 MB
- 820-2850 K18Schematic · 820-2850 · 2.05 MB · 24 Jul 2026Schematic pdf2.05 MB
- APPLE A1286 MLB 820-2850-ASchematic · 820-2850 · 2.05 MB · 26 May 2025Schematic pdf2.05 MB
- A1286 820-2850-ASchematic · 820-2850 · 2.08 MB · 10 May 2025Schematic pdf2.08 MB
- SCHEM,WHITE ARROW,MLB,K18 020110 051 8504 820 2850 A1286 WHITESchematic · 820-2850 · 2.11 MB · 6 May 2025Schematic pdf2.11 MB
- A1286 K18 (820-2850-A) PDFSchematic · 820-2850 · 4.09 MB · 5 May 2025Schematic pdf4.09 MB
- LB# 820 2850 schematic diagramSchematic · 820-2850 · 2.38 MB · 29 Apr 2025Schematic pdf2.38 MB
- APPLE K18 MLB A1286 WHITE ARROW 051 8504 820 2850Schematic · 820-2850 · 2.05 MB · 28 Apr 2025Schematic pdf2.05 MB
- 820-2850 K18Schematic · 820-2850 · 2.05 MB · 19 Oct 2024Schematic pdf2.05 MB
- Apple Macbook Pro 15 A1286 MLB,K18 051 8504 820 2850 WHITE ARROWSchematic · 820-2850 · 1.61 MB · 13 Feb 2023Schematic pdf1.61 MB
- 820-2850 K18Schematic · 820-2850 · 2.05 MB · 12 Oct 2022Schematic pdf2.05 MB
- 820-2850 K18Schematic · 820-2850 · 2.05 MB · 24 Apr 2022Schematic pdf2.05 MB
- 820-2850 K18Schematic · 820-2850 · 2.05 MB · 21 Apr 2022Schematic pdf2.05 MB
- A1286 K18 (820-2850-A) PDF
Schematic in PDF format for the MacBook A1286 with the K18 project code, logic board 820-2850-A, packed in a 4.12 MB RAR.
Schematic · 820-2850 · 4.12 MB · 9 Oct 2021Schematic rar4.12 MB - 820-2850 K18Schematic · 820-2850 · 2.05 MB · 15 Jan 2021Schematic pdf2.05 MB
- K18 820-2850 A1286Schematic · 820-2850 · 2.11 MB · 17 Jul 2020Schematic pdf2.11 MB
- K18 820-2850 A1286Schematic · 820-2850 · 3.71 MB · 11 Jan 2020Schematic pdf3.71 MB
820-2850 boardviews
- Apple Macbook Pro A1286 820-2850-A BoardViewBoardview · 820-2850 · 136 KB · 25 Nov 2022Boardview rar136 KB
- 820-2850 pdf brdBoardview · 820-2850 · 2.38 MB · 25 Jul 2022Boardview rar2.38 MB
- MBP 820-2850 BDV & PDF
Combined boardview and PDF schematic for MacBook Pro logic board 820-2850, stored in a 3.85 MB RAR.
Boardview · 820-2850 · 3.85 MB · 29 Dec 2021Boardview rar3.85 MB - Apple Macbook Pro A1286 820-2850-A BoardView
Boardview archive for the Apple MacBook Pro A1286, covering logic board 820-2850 in revision A.
Boardview · 820-2850 · 181 KB · 9 Oct 2021Boardview rar181 KB - Apple Macbook Pro A1286 820-2850-A BoardViewBoardview · 820-2850 · 702 KB · 2 Oct 2019Boardview brd702 KB
820-2850 BIOS dumps
- MACBOOK PRO A1286 MLB 820 2850 A OK CLEAR ME telegram BIOS RepairBIOS · 820-2850 · 2.10 MB · 24 Sept 2025BIOS zip2.10 MB
- MAC BOOK PRO 1286 board number 820 2850 A original bios OK telegramBIOS · 820-2850 · 2.10 MB · 24 Sept 2025BIOS zip2.10 MB
- Apple MacBook Pro A1236 Apple WHITE ARROW MLB K18 820 2850 A telegramBIOS · 820-2850 · 2.10 MB · 17 Sept 2025BIOS zip2.10 MB
- APPLE A1286 MLB 820 2850 A 4MB BIOS telegram BIOS Repair 2025 09BIOS · 820-2850 · 5.06 MB · 17 Sept 2025BIOS zip5.06 MB
- A1286 K18 820-2850-A telegram BIOS Repair-2025-09-16BIOS · 820-2850 · 2.11 MB · 16 Sept 2025BIOS zip2.11 MB
- 820-2850-A MacBook Pro A1236 telegram BIOS RepairBIOS · 820-2850 · 4.00 MB · 9 Sept 2025BIOS bin4.00 MB
- APPLE A1286 MLB 820-2850-A 4MB BIOS
EFI firmware for the Apple A1286 MacBook Pro logic board 820-2850-A, the A suffix being the revision, intended for a 4MB flash chip and stored as a 4.63 MB RAR.
BIOS · 820-2850 · 4.63 MB · 28 Jun 2025BIOS rar4.63 MB - APPLE A1286 MLB 820-2850-A OK VinaBIOS · 820-2850 · 4.00 MB · 9 May 2025BIOS bin4.00 MB
- MacBook Apple 1286 820 2850 DIS to UMA Bios ok Working TestedBIOS · 820-2850 · 4.00 MB · 9 May 2025BIOS bin4.00 MB
- 820-2850-A MacBook Pro A1236BIOS · 820-2850 · 4.00 MB · 9 May 2025BIOS bin4.00 MB
- APPLE 820-2850-A Z0G5000G unlBIOS · 820-2850 · 4.00 MB · 9 May 2025BIOS bin4.00 MB
- A1286 K18 820-2850-ABIOS · 820-2850 · 4.00 MB · 9 May 2025BIOS bin4.00 MB
- A1286 820-2850-A EMMC 2353 OK TESTED BY FST FIXBIOS · 820-2850 · 4.00 MB · 5 May 2025BIOS bin4.00 MB
- A1286 820-2850-A EMMC 2353 OK TESTED BY FST FIX
Apple firmware for the A1286 MacBook Pro on logic board 820-2850-A, marked OK and tested by FST FIX.
BIOS · 820-2850 · 2.78 MB · 23 Dec 2024BIOS rar2.78 MB - 820-2850-A MacBook Pro A1236BIOS · 820-2850 · 4.00 MB · 15 Dec 2024BIOS bin4.00 MB
- AFS Apple MacBook Pro A1236 Apple WHITE ARROW MLB K18 820 2850 ABIOS · 820-2850 · 4.00 MB · 22 Jan 2024BIOS bin4.00 MB
- AFS Apple MacBook Pro A1236 Apple WHITE ARROW, MLB, K18 820 2850BIOS · 820-2850 · 4.00 MB · 22 Jan 2024BIOS bin4.00 MB
- 820-2850-A MacBook Pro A1236BIOS · 820-2850 · 4.00 MB · 26 Oct 2023BIOS bin4.00 MB
- MAC BOOK PRO 1286 board number 820-2850-A original bios OK
Original BIOS dump for the MacBook Pro A1286 with logic board 820-2850-A, described in the name as working, packed in a 1.85 MB RAR archive.
BIOS · 820-2850 · 1.85 MB · 9 Oct 2021BIOS rar1.85 MB - MACBOOK PRO A1286 MLB 820-2850-A OK CLEAR ME
Firmware image for the Apple MacBook Pro A1286 logic board 820-2850-A, supplied as a 2.02 MB ZIP.
BIOS · 820-2850 · 2.02 MB · 31 Mar 2021BIOS zip2.02 MB - 820-2850-A MacBook Pro A1236BIOS · 820-2850 · 4.00 MB · 10 Nov 2020BIOS bin4.00 MB
- A1286 K18 820-2850-A
Firmware dump for Apple A1286 with project code K18 and logic board 820-2850-A, in a 1.81 MB RAR.
BIOS · 820-2850 · 1.81 MB · 26 Oct 2020BIOS rar1.81 MB - Apple MacBook Pro A1236 Apple WHITE ARROW MLB K18 820-2850-A
EFI firmware dump for the MacBook Pro A1236 on Apple logic board 820-2850 revision A, called WHITE ARROW, with MLB K18 in the name, MLB meaning main logic board and K18…
BIOS · 820-2850 · 1.80 MB · 4 Dec 2018BIOS rar1.80 MB - 820-2850-A MacBook Pro A1236
Apple MacBook Pro A1236 firmware image for logic board 820-2850, revision A as given in the name.
BIOS · 820-2850 · 4.00 MB · 30 Jan 2017BIOS bin4.00 MB
820-2850 archives
- 820-2850Archive · 820-2850 · 2.13 MB · 1 Aug 2026Archive zip2.13 MB
- 820-2850Archive · 820-2850 · 2.13 MB · 31 Jul 2026Archive zip2.13 MB
- 820-2850Archive · 820-2850 · 2.13 MB · 24 Jul 2026Archive zip2.13 MB
- 820-2850Archive · 820-2850 · 2.13 MB · 24 Jul 2026Archive zip2.13 MB
- 820-2850Archive · 820-2850 · 2.13 MB · 13 Sept 2025Archive zip2.13 MB
- 820-2850Archive · 820-2850 · 3.81 MB · 8 Sept 2023Archive rar3.81 MB
- 820-2850Archive · 820-2850 · 2.13 MB · 24 Apr 2022Archive zip2.13 MB
- 820-2850Archive · 820-2850 · 2.13 MB · 21 Apr 2022Archive zip2.13 MB
- 820-2850 K18Archive · 820-2850 · 80 B · 20 Dec 2021Archive rar80 B
- 820-2850 K18Archive · 820-2850 · 1.98 MB · 2 May 2021Archive rar1.98 MB
- Apple MacBook Pro A1236 Apple WHITE ARROW MLB K18 820-2850-AArchive · 820-2850 · 1.80 MB · 23 Feb 2021Archive rar1.80 MB
- 820-2850-A MacBook Pro A1236Archive · 820-2850 · 1.80 MB · 10 Nov 2020Archive rar1.80 MB
- 820-2850
Zip archive of 2.13 MB labelled with Apple logic board number 820-2850 and nothing else, so the model and revision must be checked on the board itself.
Archive · 820-2850 · 2.13 MB · 18 Jul 2020Archive zip2.13 MB - Apple MacBook Pro A1236 MLB K18 820-2850-AArchive · 820-2850 · 1.80 MB · 30 Sept 2019Archive rar1.80 MB
- APPLE MACBOOK PRO A1236 820-2850-AArchive · 820-2850 · 1.80 MB · 30 Sept 2019Archive rar1.80 MB
- APPLE MACBOOK PRO 820-2850-AArchive · 820-2850 · 1.32 MB · 30 Sept 2019Archive rar1.32 MB
- 820-2850 K18
Apple logic board 820-2850 archive, 1.98 MB, with K18 in the name as the internal project code.
Archive · 820-2850 · 1.98 MB · 5 Jul 2019Archive rar1.98 MB
Questions about 820-2850
Is there a schematic for 820-2850?
Yes. Enginerys lists 19 schematic files for 820-2850. Each entry links to the Telegram post where the PDF can be downloaded.
Is there a boardview for 820-2850?
Yes, 5 boardview files are listed. Open them with OpenBoardView or the viewer named on the file page.
Who makes the 820-2850 board?
820-2850 follows the Apple numbering scheme (820-xxxxx). It is found in Apple devices.