Hacking Luma3DS with B9S gives me "Failed to get CTRNAND FIRM" when following 3ds.guide

[MrJason005]

I have a O3DS XL, downgraded from 9.2 to 4.5 with gateway's downgrade tool

First I'd like to say that I'm on 4.5 and I decided to move from Gateway's ancient system to a more recent Luma3DS with the help of 3ds.guide
I have downgraded with gateway's method in the past from 9.2 to 4.5 when that first came out.

I followed 3ds.guide and got to the end of the first page of the guide

1. Press (Start) to save and reboot
   • If you get an error, just continue the next page

However, when the 3DS rebooted it greeted me with:

An error has occured:
Failed to get the CTRNAND FIRM.
Press any button to shutdown

I decided to ignore this as the guide said "If you get and error, just continue to the next page"

However, I got until the end of the first section of "Finalizing setup", and it says to:

1. Power on your device

I still get the same CTRNAND FIRM error.
Any help?

NOTE: I can access godmode9 when I press and hold START when the 3DS is booting up.

 

[MrJason005]

UPDATE:

I fixed the issue by using the godmode9 access I had, and restored my ancient 9.2 NAND.bin file I stored when I first used gateway.
Now I am on 9.2 safely.

 

[CHBL]

could you please tell me how to get back to the nand you did because im fresh in the scene too and would like to get back to the nand becuase i have the same problem too

 

[Quantumcat]

could you please tell me how to get back to the nand you did because im fresh in the scene too and would like to get back to the nand becuase i have the same problem too

Restore a NAND backup. There should be instructions here https://3ds.guide/godmode9-usage

 

[MrJason005]

could you please tell me how to get back to the nand you did because im fresh in the scene too and would like to get back to the nand becuase i have the same problem too

If you are new to the scene and don't have an old NAND.bin then you may have to go follow the CTR Transfer guide, essentially using someone else's public dump and modifying it to be flashable to your 3DS

 

[luke5]

If you are new to the scene and don't have an old NAND.bin then you may have to go follow the CTR Transfer guide, essentially using someone else's public dump and modifying it to be flashable to your 3DS

where to get someone else's dump and how do i modify?

 

[MrJason005]

where to get someone else's dump and how do i modify?

This is called a CTRTransfer

 

[luke5]

This is called a CTRTransfer

Thanks for fast reply, for detailed information:
first, i know the what CTRTransfter is.
and I have no back up of nand, and i get the message 'failed to get the ctrnand firm'
what should i do?

 

[MrJason005]

Thanks for fast reply, for detailed information:
first, i know the what CTRTransfter is.
and I have no back up of nand, and i get the message 'failed to get the ctrnand firm'
what should i do?

I'd say go to here
These scripts are supposed to help with unbricking if you don't have a NAND