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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 12-02-2014, 12:40   #1 (permalink)
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MacBook Pro Late 2013 EFI password


Hi,

Could anyone help me to get the EFI password?
Because whenn i start the Macbook it gives the folder with the questionmark and whenn i want to reinstall it it asks for the EFI password.

Thanks!
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Old 12-02-2014, 12:49   #2 (permalink)
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Possible picture of it
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Old 12-02-2014, 20:42   #3 (permalink)
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I get the flashing questionmark folder whenn i boot

And whenn i hold the option key i get :

http://i.i mg ur .c o m /I W v3xfz.jpg

I have the HASH
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Old 12-03-2014, 14:02   #4 (permalink)
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This all happend after my customer misstyped the password multiple times
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Old 12-04-2014, 18:56   #5 (permalink)
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You can check here http://forum.gsmhosting.com/vbb/f936...-27-a-1877406/
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The Following User Says Thank You to .::Gsmdenis::. For This Useful Post:
Old 12-11-2014, 00:58   #6 (permalink)
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The question mark mean your hard drive is without OS or blank.

You need to start mac hold command and r

You will see the padlock screen, you will need a bute force device to attack this lock.

Phoneunlock.com


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Old 12-16-2014, 02:38   #7 (permalink)
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[QUOTE=datacablelondon;10730101]The question mark mean your hard drive is without OS or blank.

You need to start mac hold command and r

You will see the padlock screen, you will need a bute force device to attack this lock.

Phoneunlock.com


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Hi buddy!
Can you give me more detail about how to bruteforce the EFI?
Thanks
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Old 01-09-2015, 10:57   #8 (permalink)
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the easiest way is to disassemble and flash BIOS
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Old 05-15-2015, 04:25   #9 (permalink)
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for efi password i had change a few efi chip and its tricky at the same time some chips
are not programed well or there is something that made them not compatible.
from my experience i had same problem with 2 different machines
a 2011 imac 21 inches and with a 2010 macbook air.
after replacing the efi chip machines staring taking longer to boot up.
and some times when power bottom has been press machines doesnt respond.
thats my note for this threath i will tray to get more into brute force wich is a lil complicated....
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Old 05-15-2015, 05:32   #10 (permalink)
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Quote:
Originally Posted by ericosman View Post
Hi,

Could anyone help me to get the EFI password?
Because whenn i start the Macbook it gives the folder with the questionmark and whenn i want to reinstall it it asks for the EFI password.

Thanks!
To unlock efi you can change the efi chip but this is only for highly skilled repair techs. The easiest way is to buy a brute force machine that tries all the codes from 0000-9999 . I bought mine off of ebay for $60 USD. It was a ****sy 3.1 pre programmed with the software on it. It tries all possible combinations so it make take up to 48 hours if your code begins with an 8 or a 9. Or it can take less than 4 hours if your code begins with a 0.


Apple MacBook Pro Retina Air Icloud EFI Password Bypass Unlock Tool ****sy 3 1 | eBay
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Old 05-27-2015, 10:18   #11 (permalink)
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If it's icloud locked after connecting that machine to network it will lock again. Only solution is to read efi and to edit it. All these bruteforce tools for end users who do not have any clue what they do.

B.R.,
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Old 05-27-2015, 19:53   #12 (permalink)
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The reason why some people get their MAC locked again after unlocking, because your Mac is still in the last owner's icloud account.

To avoid this problem.

After unlock
1) Must do a NVRAM reset.
2) Format the hard drive booting from USB or DVD ( cannot format the drive you are booting from )
3) Install new OS, at the first time OS start you can assigned your MAC to your own itune account and enable icloud to your own icloud account.

You are now the only owner in icloud. ( not possible to have one device in 2 icloud account)
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Old 05-27-2015, 21:05   #13 (permalink)
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The safe way is change S/N, using new icloud account my cause problem later, you k ow what i mean.


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Old 12-10-2015, 08:01   #14 (permalink)
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i have efi remove remote service without doing any hw modification
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Old 12-10-2015, 10:44   #15 (permalink)
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Use MFC DONGLE


Envoyé de mon iPhone en utilisant Tapatalk
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