Hacking Switch BIS Keys (2/3) Not working

Gwandoya

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Hello everyone,

i had to downgrade my switch over the pc ( sorry cant post the link to the guide )
but i cant do 17,18,22 & 23 because HacDiscMount says that my keys wont work :/

I dumped the keys with Hekate ( and with biskeydump to verify the keys ) but
neither of those work.

Thanks for help :)
Greetings Gwanny
 
Last edited by Gwandoya,

thesjaakspoiler

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If you NAND dump is newer than the keys you generate with your downgraded firmware, then they won't work.

My advise would be to just dump them again with Lockpick_rcm on a clean SD card.
 

Canna

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did you make a backup before downgrading ?

Restore the backup with hekate..
Then use choidujourNX Homebrew to downgrade




For biskeys not to much you must of done something incorrectly, and i think you should restore the backup that was working... and downgrade with the choidujourNX Homebrew app as its simple.
 

Gwandoya

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i made a backup but the backup is at version 6.1.0 and is corrupted and i don't want to downgrade. I just haven't found a way to restore to 8.1.0 over my pc.

I made a backup about half a year ago and went back to it. The problem was, that my software was already on 8.1.0.
My switch stopped working and i wanted to fix that, but HacDiskMount didnt allow me to use my BIS 2 / 3 Keys.
And ChoiDujour (PC) doesnt support 8.1.0 so i thought i could go to 6.1.0 and upgrade back to 8.1.0.
 
Last edited by Gwandoya,

hell_night

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i made a backup but the backup is at version 6.1.0 and is corrupted and i don't want to downgrade. I just haven't found a way to restore to 8.1.0 over my pc.

I made a backup about half a year ago and went back to it. The problem was, that my software was already on 8.1.0.
My switch stopped working and i wanted to fix that, but HacDiskMount didnt allow me to use my BIS 2 / 3 Keys.
And ChoiDujour (PC) doesnt support 8.1.0 so i thought i could go to 6.1.0 and upgrade back to 8.1.0.


Hello, did you find any solution for this issue? I am exactly on the same problem.
 

squeegi

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I just had this issue and the reason was that the SYSTEM and USER partitions on my SYSNAND were corrupt and not encrypted. I ended up grabbing firmware using my keys to generate the system and user partitions. then uploading with NxNandManager_v5.1 then dumping to encrypted user.bin and system.bin files and then force dumping them with HacDiskMount1055. After that the encryption was back on those partitions and the biskeys worked fine. I also can now boot into OFW again.
 

squeegi

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I just had this issue and the reason was that the SYSTEM and USER partitions on my SYSNAND were corrupt and not encrypted. I ended up grabbing firmware using my keys to generate the system and user partitions. then uploading with NxNandManager_v5.1 then dumping to encrypted user.bin and system.bin files and then force dumping them with HacDiskMount1055. After that the encryption was back on those partitions and the biskeys worked fine. I also can now boot into OFW again.
 

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