Tutorial 

How to UNBRICK your N3dsXL with NO SysNAND Backup File With B9S (Sighax) and Hardmod

Hi Everyone
In this post I will try to explain you what I´ve done to unbrick my new 3ds XL without having a backup of your SysNAND... In my scenario my new3dsXL was bricked by updating the firmware from v2.1 when I was trying to install arm9lh (but i think this could unbrick any bricked console no mater how was bricked -talking about software bricks ofcourse-)
I think this could help to unbrick any bricked 3ds console using the corresponding files
I would like to share the files that I´ve used to unbrick my 3ds but I dont know if I can because Iam new on this site
Well lets get started

1- Extract your SysNAND using Win32DiskImager via hardmod and take it to a safe place in your PC (doesn´t even matter if this SysNAND is fuc..ked up it could be used as a "checkpoint" in the future)

2- Follow this guide to Install B9S (sighax) in the copy of your SysNAND via hardmod (in my case I use the 11.4 native firm as current.firm -2nd Step of the Guide- because when I updated my 3ds the v11.4 was the last firm launched by Nintendo If you dont remember which firm was the last when you updated your 3ds just try one by one)
https://3ds.guide/installing-boot9strap-(hardmod)

3-Flash back to your 3ds the copy of your SysNAND that was renamed to NAND-patched.bin as the guide says with Win32DiskImager (at this point your SysNAND already has the sighax installed and now you can launch luma chainloader)

4-Download and copy to your SDCard the latest Luma Files for Boot9Strap (sighax) and the latest Decrypt9Wip for Boot9Strap (this should be at luma/payloads and in .firm Format) and make sure the file "aeskeydb.bin" is at the "files9" folder on the root of your SDCard

5-Download the 9.2 CTRTransfer file corresponding to your console from this guide (this file has to be at the "files9" folder with his .sha file)
https://3ds.guide/9.2.0-ctrtransfer.html

6-Conect the SdCard back to your 3ds and power on the 3ds holding "start" botom to launch the luma´s chainloader and launch Decrypt9Wip and then go to "Sysnand Options>CTRNAND transfer...>Auto CTRNAND transfer" complete the combo keys and choose the CTRtransfer File and wait until finish

7-After rebooting the console it has to boot Normaly then you just have to update your firm to 11.4 and install FBI and that stuff

Iam sorry for my Bad english but i tryed to do it with out the google translate
I hope you could Unbrick your console with this info
Take care and Good luck
Pease
 
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joker_77

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Last edited by joker_77,
mundaka0x

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gamesquest1 said:
Can also confirm this will work, I unbricked someones system that was bricked exactly the same way, except the system would Blue screen of death with the outputted patched nand, I had to manually inject just firm0 at 0xB130000 which allowed the system to boot properly

Apparently the system had crashed during the update so it was a weird Franken firm, he had updated to latest which was 11.3 at the time but the firm0 ended up being 2.1 native firm so if how far the update had ran before crashing
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i would appreciate more details on how to copy that large row of numbers from the hex editor
been doing it manually it takes for ever
 
Bidouilleur

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Hey guys, I just had a question about this tutorial.

I bricked my N3DS on January 2016 at the beginning of the soft hack of the 3DS, with the downgrader etc... that allowed us to downgrade to 9.2.

I bricked it by injecting Old 3DS update files instead of New 3DS ones (oh yeah...), I just wanted to know if that was recoverable with this tutorial ? I know someone who could hardmod my N3DS then I'll just do this tutorial, I hope this could be good ?

Thanks guys :)
 
LameNobody

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Hey @gamesquest1 , I have a system that has been flashed with the nand from another console and has no backup of its original nand...
Do you think this method would do anything, or am I in need of another solution?
 
gamesquest1

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LameNobody said:
Hey @gamesquest1 , I have a system that has been flashed with the nand from another console and has no backup of its original nand...
Do you think this method would do anything, or am I in need of another solution?
Click to expand...
Nope, if you have no and backup your screwed until ntrboothax is released as by flashing another consoles nand backup, you can no longer inject sighax via hardmod
 
martinl9

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Hi, I have a Samsung NAND in my old 3ds LL (japanese model) theres any sd compatible with this hardware?

I did the hardmod but i cant open the sd card in my PC
 

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