Hacking N3DS won't boot after boot9strap installation

[Nosfay]

If I write my first nand backup (the one with b9s broken), I have no bootrom error and just the first error (blue led blink once and shut down)

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bootrom error happen with patched nand

 

[Nosfay]

I still have my original firm0_enc.bak and firm1_enc.bak. Is this possible to add them to my NAND to cancel b9s install ?

I've read this on 3ds guide:

Note that firm0firm1.bak and sector0x96.bak in the /boot9strap/ folder on your SD card are only needed in the event of a failed boot9strap install. Once you have installed successfully, you can delete the entire boot9strap folder.




EDIT: It worked!!!

So step by step:
1) do a NAND save with hardmod (nand with a fail b9s install => blue led blinking once)
2) rename NAND.bin to NAND-patched.bin
3) get the last hardmod-b9s-installer : https://github.com/ihaveamac/hardmod-b9s-installer
4) copy firm0_enc.bak, firm1_enc.bak (from your sd_card/boot9strap) and NAND-patched.bin, to hardmod-b9s-installer location
5) execute restore-firm0firm1.py
6) write the new NAND-unpatched.bin to 3ds

I'm so happy right now, thank you for your help !

 

[ganjam0n]

So it was a brick then?, and all you did was try to install b9s, geezus thats scared me a bit, i was just considering modding my new 3ds

 

[Loke]

The led blinking also happened to me. After quite some struggling, it was just a file missing or not correctly placed on the sd card.

 

[Nosfay]

It was a brick but apparently my 3DS is faulty, because I did the 3ds guide again and still stuck with the blue led blinking.

 

[ganjam0n]

damn, sorry to hear that, Its not b9s 1.2 is it?, has anyone here installed 1.2 from scratch, just wondering because i plan on doing this to my new 3ds i just bought from the store. (my official firmware is 11.2)

 

[Nosfay]

I think my n3ds really has a problem, I tried to install A9LH and when i want to access luma menu,it does the same thing with b9s...

Plus, when I quit system parameter, my 3ds shut down instead of going to home with a little noise ...