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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > iPhone ,iPod & iPad (Apple Inc. Products) > iMac, Macbook Pro, Macbook Air

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Old 11-14-2018, 14:55   #1 (permalink)
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unlock efi bios back


hi can anyone help me to unlock a bin from imac 21.5 2015 ?


https://ufile.io/g6sph

thanks in advance
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Old 11-14-2018, 19:12   #2 (permalink)
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Originally Posted by fashion-mobile View Post
hi can anyone help me to unlock a bin from imac 21.5 2015 ?


https://ufile.io/g6sph

thanks in advance
iMac A1418 21.5 2015 820-00431-A
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Old 11-15-2018, 11:37   #3 (permalink)
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here you go
i hope you have done the chip read 3 times just to be sure
and at the first boot remember to do e PRAM reset
https://ufile.io/wnebm
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Old 11-15-2018, 12:04   #4 (permalink)
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with this it dont power up , with original backup it power

thanks aniway
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Old 11-15-2018, 13:43   #5 (permalink)
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Originally Posted by fashion-mobile View Post
with this it dont power up , with original backup it power

thanks aniway

humm strange but you can try to rebuild it with clean ME

https://www.youtube.com/watch?v=eK1OYTbl1MM
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Old 11-15-2018, 13:55   #6 (permalink)
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humm strange but you can try to rebuild it with clean ME

https://www.youtube.com/watch?v=eK1OYTbl1MM
Or try this i used a different hex editor

https://ufile.io/ir7kx
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Old 12-04-2018, 15:26   #7 (permalink)
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thank you so much it works fine now
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