Apple EFI Bypass Help


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3 years 7 months ago - 3 years 7 months ago #1670 by GenoBimboAZ
Replied by GenoBimboAZ on topic Apple EFI Bypass Help
Hi Ghost! I need to know a few things before I can proceed with the EFI flash.

I need to know what wires do I need? Just the 8 that comes with the Pomona clip or do I need to purchase additional wires?
Do I need anything extra to connect the wires to the Raspberry Pi and to the clip?
What do I need to connect the Pi to my workstation and how do I do it?
How would I know which wires to connect where?
How do I install Flashrom in OS X/Windows?

It's a MacBook Pro (Retina, 15-inch, Mid-2014) 2.5 GHz i7 A1398 (EMC 2881) with EFI chip model: MX25L6406E

Here is the link to my chips datasheet for anyone that can help me wire these things properly: www.netcheif.com/Reviews/DIR-825AC/PDF/MX25L6406E.pdf

Also I really need help on how to run the process on Mac. I have Windows 7 installed as well but I do prefer OS X. Does anyone know the commands in OS X's Terminal?
Last edit: 3 years 7 months ago by GenoBimboAZ.

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3 years 5 months ago #2079 by resist
Replied by resist on topic Apple EFI Bypass Help
Multiple flash chip definitions match the detected chip(s): "MX25L3205(A)", "MX25L3205D/MX25L3208D", "MX25L320 6E/MX25L3208E", "MX25L3273E"
Please specify which chip definition to use with the -c <chipname> option.
pi@raspberrypi:~ $

sudo flashrom -r ~/efi/test1.bin -V -p linux_spi:dev=/dev/spidev0.0

how do i write out the command with my chip MX25L3205D
how to Type it up??
please help !

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3 years 5 months ago #2080 by resist
Replied by resist on topic Apple EFI Bypass Help
go it had type

-c then the chip #

need help with this now !!

This chip may contain one-time programmable memory. flashrom cannot read
and may never be able to write it, hence it may not be able to completely
clone the contents of this chip (see man page for details).
Reading flash... Error: opening file "/home/pi/efi/test1.bin" failed: No such file or directory
FAILED.
pi@raspberrypi:~ $

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3 years 5 months ago #2081 by resist
Replied by resist on topic Apple EFI Bypass Help
got had to make a folder in home name efi got working
flash worked hope this can help someone
thanks Ghostlyhacks your the best!

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3 years 5 months ago #2084 by CygnusX1
Replied by CygnusX1 on topic Apple EFI Bypass Help
What programmer are you going to use?

If I helped you buy me a latte!

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3 years 5 months ago #2087 by resist
Replied by resist on topic Apple EFI Bypass Help
Raspberry Pi 2 Model B Project Board - 1GB RAM - 900 MHz Quad-Core CPU
the new one

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3 years 5 months ago - 3 years 5 months ago #2092 by thaGH05T
Replied by thaGH05T on topic Apple EFI Bypass Help
I am glad you were able to get it all sorted out. To reiterate his issue and his resolution:

He was able to read the chip but it said that multiple chip definitions were matched. He had to get his chip ID and place it in the command with a "-c". Then it told him the EFI directory did not exists. These two issues are commonly found when people just copy and paste from my tutorial. The problem is actually the directory doesn't exist because you have not created it. i created it only because I wanted to organize my files. All you really need to do is specify a file to read the EFI bin to. In short, all he had to do is type this command:

flashrom -r read1.bin -V -p linux_spi:dev=/dev/spidev0.0 -c MX25L3205D

For future reference, the breakdown of the command is as follows....
  • flashrom - Calls the flashrom program.
  • -r read1.bin - Specifies that you want to read a chip and where you want it to read to if you specify a directory it MUST EXIST.
  • -V -Wiill verbosely output the current operation.
  • -p linux_spi:dev=/dev/spidev0.0 - Specifies which programmer you will be using and where to find it.
  • -c xxxxxxxx - Will tell flashrom what specific chip you have.

Any further questions please ask and I will try and clarify. You could also type "flashrom --help" for more options or "man flashrom" to get the manual. Cheers....
Last edit: 3 years 5 months ago by thaGH05T.

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3 years 5 months ago - 3 years 5 months ago #2103 by CygnusX1
Replied by CygnusX1 on topic Apple EFI Bypass Help
Forget that clip. They are junk. Go with the Pomona clip.

If I helped you buy me a latte!
Last edit: 3 years 5 months ago by CygnusX1.

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3 years 5 months ago #2106 by thaGH05T
Replied by thaGH05T on topic Apple EFI Bypass Help
What clip is he using? I am lost???

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3 years 5 months ago #2110 by CygnusX1
Replied by CygnusX1 on topic Apple EFI Bypass Help
He has this this clip or has ordered it.

If I helped you buy me a latte!

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3 years 5 months ago #2128 by thaGH05T
Replied by thaGH05T on topic Apple EFI Bypass Help
Oh! no No NO! That's crap ;)

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2 years 8 months ago #4710 by FallenMaster
Replied by FallenMaster on topic Apple EFI Bypass Help
is there a tut for bus pirate or will this tut still work in place of one?

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2 years 1 month ago #6983 by phonesindallas
New to the group - ordered EFI Destroyer Lite. I notice that on my order page it shows a firmware file to download, can you let me know what that file is needed for.

Thanks

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1 year 10 months ago #7528 by ferdeenand
Replied by ferdeenand on topic Apple EFI Bypass Help
That's great, thank you!

Now, do you know how to make de scbo file to unlock 2015 macbook? I would apprecciate a lot your help man.

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1 year 7 months ago #8772 by dalfkia
Replied by dalfkia on topic Apple EFI Bypass Help
Hi I wanted to double check the chip that I have located. As I am unsure if it is actually the efi chip.

The specification of the laptop is:
Apple Macbook Pro A1398 (2015 model I believe)

The chip that I have located has the following data written on it (just in case it is not visible in the image):
Winbond
25Q64FV10
1545
6526
9H700

I have attempted to attach a SOIC clip to it with no luck of it actually staying on the chips connections. (I have the same SOIC clip that is shown in a previous post from amazon).

If this is in-fact the correct chip, and the SOIC clip does not stay on it, I am assuming I need to get one of the easy flash adapters that connects to the port I have circled in the image. (I am not 100% sure on that)

Any help is appreciated :)
Thank you
Attachments:

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1 year 7 months ago #8775 by CygnusX1
Replied by CygnusX1 on topic Apple EFI Bypass Help
Correct. That is not a SOIC chip so that clip will not attach to it.

If I helped you buy me a latte!

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1 year 7 months ago #8776 by CygnusX1
Replied by CygnusX1 on topic Apple EFI Bypass Help
Correct. That is not a SOIC chip so that clip will not attach to it.

If I helped you buy me a latte!

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1 year 7 months ago #8791 by dalfkia
Replied by dalfkia on topic Apple EFI Bypass Help
Hi can I just confirm that what you said means that:

Yes it is correct that this is the EFI chip, but its not a SOIC chip, therefore I would need a quick flash adapter in order to bypass the apple efi lock.

Thanks again.

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