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Old 09-04-2019, 05:33 AM   #1
RethoricalCheese
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Default Microsoft Surface Pro 3 UEFI password

Hey there!

I've got a few Surfaces in need of an unlock. I have opened one up and here is the dump from it. Is anybody able to remove password from it? I did not manage to find the location of it.

Thanks!
Attached Files
File Type: rar surface_pro_3_locked.rar (4.08 MB, 326 views)
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Old 09-04-2019, 06:10 AM   #2
peste
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Default Re: Microsoft Surface Pro 3 UEFI password

try...
https://www.laboneinside.com/microso...ro-3-bios-bin/
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Old 09-04-2019, 06:49 AM   #3
RethoricalCheese
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Default Re: Microsoft Surface Pro 3 UEFI password

That one I have tried and it works but this way serial number will be changed and that's something I don't want.
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Old 09-04-2019, 07:37 AM   #4
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Default Re: Microsoft Surface Pro 3 UEFI password

Quote:
Originally Posted by The_Boss View Post
That one I have tried and it works but this way serial number will be changed and that's something I don't want.
Just edit the new working bios with dump dmi info.
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Old 09-19-2019, 07:39 AM   #5
RethoricalCheese
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Default Re: Microsoft Surface Pro 3 UEFI password

Yes, that would be an option but when I just replace UUID and SN on new bios, bitlocker starts crying. When I replace the whole NVRAM on new bios, it will stay locked. Can't find password location in NVRAM.
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Old 09-19-2019, 07:59 AM   #6
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Default Re: Microsoft Surface Pro 3 UEFI password

can you try this
Attached Files
File Type: rar surface_pro_3_unlocked.rar (5.95 MB, 453 views)
__________________
There are 10 types of people in the world. Those that understand binary and those that don't.
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Old 09-20-2019, 01:08 AM   #7
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Default Re: Microsoft Surface Pro 3 UEFI password

Quote:
Originally Posted by eikspaj View Post
can you try this

Thank you very much, works great!

I shall try if I can maybe modify uefi from inside Windows and if I succeed, it will be made into a tool.
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Old 09-20-2019, 06:41 AM   #8
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Default Re: Microsoft Surface Pro 3 UEFI password

No luck there. Although uefitool says that Bios region has read and write access, I am only able to read but not write. Looks like SMI/SMM lock.
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Old 03-13-2020, 09:23 AM   #9
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Default Re: Microsoft Surface Pro 3 UEFI password

how to open this bin file ?can someone explain please
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Old 03-13-2020, 11:06 AM   #10
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Default Re: Microsoft Surface Pro 3 UEFI password

winrar or 7 zip, update to winrar ..
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Old 03-13-2020, 11:36 AM   #11
RethoricalCheese
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Default Re: Microsoft Surface Pro 3 UEFI password

Better make your own dump and upload it. I can tell you what the password is.
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Old 06-15-2020, 07:10 PM   #12
mferna14
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Default Re: Microsoft Surface Pro 3 UEFI password

What is the password string we are finding in the Bin files?? Can anyone inform what Hexa Decimal string are we going to remove to clear the password. Thanks in advance
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Old 06-15-2020, 10:44 PM   #13
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Default Re: Microsoft Surface Pro 3 UEFI password

No need to remove it. Use flash programming tool to read bios region and upload it. I can find and decrypt the password. This way you don't even need to remove the screen to unlock this model.
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Old 06-19-2020, 08:00 AM   #14
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Default Re: Microsoft Surface Pro 3 UEFI password

Quote:
Originally Posted by RethoricalCheese View Post
No need to remove it. Use flash programming tool to read bios region and upload it. I can find and decrypt the password. This way you don't even need to remove the screen to unlock this model.
Well this is what i was dreading.. glad i didnt have to
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Old 06-22-2020, 05:51 AM   #15
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Default Re: Microsoft Surface Pro 3 UEFI password

Quote:
Originally Posted by RethoricalCheese View Post
No need to remove it. Use flash programming tool to read bios region and upload it. I can find and decrypt the password. This way you don't even need to remove the screen to unlock this model.
Did you have a link to a working version of the Flash programing Tool for the Surface 3?

Last edited by KingBonecrusher; 06-22-2020 at 05:53 AM..
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Old 06-22-2020, 07:03 AM   #16
RethoricalCheese
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Default Re: Microsoft Surface Pro 3 UEFI password

Google TXE ME clean. There should be a result on win-raid forums. There is a link for the tools.
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Old 06-23-2020, 08:39 AM   #17
KingBonecrusher
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Default Re: Microsoft Surface Pro 3 UEFI password

Thank you, v9.5r6 was working for me. Password decrypted and Surface is unlocked...

Code:
fptw64.exe -BIOS -D my-backup.bin
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Old 07-13-2020, 12:27 AM   #18
zetor2000
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Default Re: Microsoft Surface Pro 3 UEFI password

Quote:
Originally Posted by KingBonecrusher View Post
Thank you, v9.5r6 was working for me. Password decrypted and Surface is unlocked...

Code:
fptw64.exe -BIOS -D my-backup.bin
How did you decript a password?
I bought a Surface Pro 3 from ebay, and its BIOS/UEFI is password locked.
Can you help me with step by step instructions?

Thanks.
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Old 08-04-2020, 10:50 AM   #19
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Default Re: Microsoft Surface Pro 3 UEFI password

Quote:
Originally Posted by RethoricalCheese View Post
No need to remove it. Use flash programming tool to read bios region and upload it. I can find and decrypt the password. This way you don't even need to remove the screen to unlock this model.
Hi RethoricalCheese, could you please help decrypting? I dump this BIOS region of my surface pro 3 but since I just learned this thing about UEFI thing, I couldn't get anywhere with that.
Thanks before.
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File Type: zip sp3_locked.zip (6.24 MB, 129 views)
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Old 08-05-2020, 01:59 AM   #20
RethoricalCheese
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Default Re: Microsoft Surface Pro 3 UEFI password

Quote:
Originally Posted by cendhol View Post
Hi RethoricalCheese, could you please help decrypting? I dump this BIOS region of my surface pro 3 but since I just learned this thing about UEFI thing, I couldn't get anywhere with that.
Thanks before.

manado
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