Apple 820-3547-A


ofer213

Active Member
VIP PRO
May 11, 2017
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sorry for duplicate files I meant to files with the long name
I wanted to reset the lock password by replace the the software bios on chip
I tried to do that bay using the bios.bin on this forum, and it's make bip sound
so if you can pleas reset the lock pass' ore send me bios that work I would really appriciate it
 

ThienBui

Techniques
Supporter
Dec 13, 2013
108,059
7,375
vinafix.com
sorry for duplicate files I meant to files with the long name
I wanted to reset the lock password by replace the the software bios on chip
I tried to do that bay using the bios.bin on this forum, and it's make bip sound
so if you can pleas reset the lock pass' ore send me bios that work I would really appriciate it
 

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unpas1.zip
5 MB · Views: 13

ThienBui

Techniques
Supporter
Dec 13, 2013
108,059
7,375
vinafix.com
Firs of all Thank you for sending the bios unpas1 I installed it on the a1398 emc2876 and it's reset pass'
sorry about the confusion can you pleas reset now this attached file a1398 emc2881
here is topic 820-3547-A and all bios i unpass only support 820-3547-A.
Please note and provide full information when requesting assistance I do not repeat a second time
 

ofer213

Active Member
VIP PRO
May 11, 2017
128
1
54
hi friend I tested the bios on A1398 emc2881 -820-3787 A it's unloock the pass'
 

ofer213

Active Member
VIP PRO
May 11, 2017
128
1
54
thank you for unpass' file. Works great
Now i trying to install last O.S in the end of 90% it's crash. i whell tray to install the first O.S and hope that's not Hardware issue
 

shadihal95

Registered member
Nov 12, 2020
1
0
Apple Macbook Pro A1398 (EMC 2881)
820-3547-A
for some reason when i load file it sais its too big and when i upload and test it fan spins than turn off i tried other bios's but i get a bios system lock and yes this is same motherboard version
 

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