A1398 - 820-00426-A Schematic boardview and BIOS

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Macbook Pro 15" Retina
A1398 EMC 2910
820-00426-A
A1398 820-00426-A ORIGINAL.BIN
Schematic and boardview, SCHEM,MLB,VENUS2, PROTO1A,
06/04/2014
820-00426 Board View.brd
Apple 820-00426 LO.pdf
Screen Shot 2019-10-13 at 4.40.03 AM.jpg
 

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ThienBui said:
That shows the problem from WiFi card can't be said due to MacOS upgrade

you need check hardware card wifi
Click to expand...
I am really greatful for your help but i tried 2 times. Please first if you want read what i did, after it if there is any diffrent solution tell me thank you very much.

what i did and didnt work;

* I changed Wi-fi card 2 times.
* I tried to downgrade i installed high siearra also majavo
* I tried diffrent bios dump,
* i tried to clear ME
* i tried internet recovery (via ethernet)
* i tried to delete osx wifi profiles also plist files.
*PS no water damage, or drop.
 
selim yazıcı said:
I am really greatful for your help but i tried 2 times. Please first if you want read what i did, after it if there is any diffrent solution tell me thank you very much.

what i did and didnt work;

* I changed Wi-fi card 2 times.
* I tried to downgrade i installed high siearra also majavo
* I tried diffrent bios dump,
* i tried to clear ME
* i tried internet recovery (via ethernet)
* i tried to delete osx wifi profiles also plist files.
*PS no water damage, or drop.
Click to expand...
Motherboard check
 
Good evening, would anyone have the macbook pro bios dump file a1398, model of the emc2910 820-4652A card? I went to try to read the bios chip and ended up burning it and it doesn't work anymore. The initial problem was firmware password, but I ended up damaging the chip. I got another chip just like that, but it was on a different model board. Would there be a way to re-record the bios on this new chip? I have the bios recorder and the adapter. Once you've done that, would you have how to write the card serial again? I thank you all right now
 
ghsiqueira1 said:
Good evening, would anyone have the macbook pro bios dump file a1398, model of the emc2910 820-4652A card? I went to try to read the bios chip and ended up burning it and it doesn't work anymore. The initial problem was firmware password, but I ended up damaging the chip. I got another chip just like that, but it was on a different model board. Would there be a way to re-record the bios on this new chip? I have the bios recorder and the adapter. Once you've done that, would you have how to write the card serial again? I thank you all right now
Click to expand...
you can use BIOS this
vinafix.com

Apple iMac A1419 820-4652 Schematic and Boardview

Apple iMac A1419 820-4652-A BIOS Mid 2015 J78 MLB CTX Schematic and boardview
vinafix.com vinafix.com
 
Good morning, I confused it with another service I have to do here. I need the bios for the macbook pro a1398 emc2910 and the board model is 820-00426a, I'm sorry for the error. Thank you very much already
 
ghsiqueira1 said:
Good morning, I confused it with another service I have to do here. I need the bios for the macbook pro a1398 emc2910 and the board model is 820-00426a, I'm sorry for the error. Thank you very much already
Click to expand...
BIOS on top Available
all same 820-00426-a
 
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