It's here!

​

Info

@Normmatt has created a way to run B9S .firm files from bootrom via a DSi Flashcard and a magnet! This works on every 3DS on any firmware version.

For installation without a PC, user @TheCyberQuake has created a pack which will automatically install B9S and copy over essential starter homebrew from the flashcard's SD to the 3DS's. This will mainly be used for PC-less B9S installations. If you have a PC with you, use 3ds.guide. Read more here: https://gbatemp.net/threads/481141/

How does this work?

This works because of a flaw in the bootrom. Before the bootrom boots the NAND, it checks to see if Start+Select+X is held down, and if the shell is closed. If these requirements are met, it will boot an NDS cartridge from the bootrom. This give that cartridge bootrom access. You might be wondering how you'd hold down buttons while the shell is closed, and why you need a magnet. If you put a magnet in a specific spot on the 3DS, it will go into sleep mode. Using this, you can boot the NDS cartridge with the buttons held down while in sleep mode! Using a reflashable flashcard, you can boot B9SInstaller using the flashcard, and easily install it on your 3DS.

The 2DS doesn't need a magnet since a switch puts it to sleep instead of a magnet.

What does this mean?

1. Any 3DS model on any firmware can be hacked with minimal effort
2. You can unbrick any 3DS model from any type of brick.
   - Remember, you don't need a NAND backup for this. Just do a CTRTransfer.
   - This does not apply to MCU bricks.
3. Even consoles with fried NAND, or even the NAND chip physically removed, can use this

This is incredibly impressive stuff, and will most likely be released soon! edit: now!

FAQ

Q: Can Nintendo patch this?
A: Nope! Not without a new hardware revision.

Q: My flashcard is blocked by my firmware! Can I still use this?
A: Yes! The flashcard blacklist is not enabled on the bootrom.

Q: Why can't this work with my flashcard?
A: The installation requires you to flash NTRBoot to the flashcard's nand. Most DS flashcards, such as the original R4, have a ROM, which is not flashable.

Q: Can I install NTRBoot on my flashcard without another 3DS system?
A: If you can run NDS roms on your 3DS with it, then yes. If it's blocked on your 3DS version, then you'll need another 3DS system to use it.

Q: Will my 3DS flashcard work?
A: No, only the NDSi flashcards listed above.

Q: Will any other flash cards work?
A: Only the ones listed in the OP. However keep in mind that flashcards such as the DSTT, Supercard DS2 and R4 SDHC Dualcore are planned to be supported in the future.

Q: I tried to do this with my cartridge and it didn't work?
A: It doesn't work with regular DS cards.

Q: Can I unbrick from a ____ brick?
A: Considering the card has access to the bootrom, yes! This can unbrick any brick (except MCU), unless you've taken a knife to the motherboard.

Q: Can I install B9S on the latest firmware with this?
A: Again, since the card has access to the bootrom, you can do this easily! Just plug in your flashcard, boot up using the magnet and button combination, and install.

Q: Does this work on the New Nintendo 2DS XL?
A: Yes!

Release
Guide
Free NTRBoot Flashing
Free B9S Installations

Here is SciresM's post about this

Please see SciresM's presentation on bootromhax.​

 

[dpad_5678]

It will be released when the installers work properly and more flashcards are supported, to prevent lots of people from buying the same type of card. Reminder that this is not an NDS file which will work with any flashcard.

Don't pay $40 for a shitty flashcart. Wait until the other compatible flashcarts are revealed, and then jump on the cheapest one before the flashcart websites jack up the prices again.

 

[Deleted User]

Hmmm... I hope that they get it to work with a r4idsn card... But they have time till the 28 july... (release date New 2DS XL Germany), if this gets released before, they could make a new hardware patch...

We all can just hope... :/

(I could get a AceKard 2i for 19,90€ but i hope i dont need this....)

They may change this feature (not bug) but won't completely remove it. I don't think they changed the bootROM though. Chances are, it will be as exploitable. it is just one final kick from the 3ds scene

 

[pandavova]

Don't pay $40 for a shitty flashcart. Wait until the other compatible flashcarts are revealed, and then jump on the cheapest one before the flashcart websites jack up the prices again.

Right... Cause we need to wait 2 months anyway... (New 2DS XL)

 

[Deleted User]

Don't pay $40 for a shitty flashcart. Wait until the other compatible flashcarts are revealed, and then jump on the cheapest one before the flashcart websites jack up the prices again.

Here is what will happen:

Support for cheap ass flashcards -> People buy the cheapest one -> That price is then higher than the last most expensive one

 

[failzers]

Don't pay $40 for a shitty flashcart. Wait until the other compatible flashcarts are revealed, and then jump on the cheapest one before the flashcart websites jack up the prices again.

$20, which is actually pretty cheap considering what it is gonna be used for, the only other option is a DSTWO. those are the only two. No other flashcarts are gonna work unless they're reflashable, no matter what SciresM says. Just the reality.

 

[dpad_5678]

$20, which is actually pretty cheap considering what it is gonna be used for, the only other option is a DSTWO. those are the only two. No other flashcarts are gonna work unless they're reflashable, no matter what SciresM says. Just the reality.

Appearently NDS-CARD already raised their prices to $35. Fuck that.

 

[pandavova]

They may change this feature (not bug) but won't completely remove it. I don't think they changed the bootROM though. Chances are, it will be as exploitable. it is just one final kick from the 3ds scene

I think its better to wait... They could patch it, if someone tells them this...

 

[failzers]

Appearently NDS-CARD already raised their prices to $35. Fuck that.

http://nds-card.com/ProShow.asp?ProID=160 lol no

 

[Deleted User]

Appearently NDS-CARD already raised their prices to $35. Fuck that.

I just needed an extra MicroSD card so I bought the bundle

I think its better to wait... They could patch it, if someone tells them this...

You don't think they already know? They designed this on purpose. It helps them refurbish bricked 3dses or repair them. They may change the key combination, but unless they plan to stop support for all 3ds systems, they won't get rid of it entirely

 

[justln]

http://nds-card.com/ProShow.asp?ProID=160 lol no

Try going to the website and searching for the card only option, you can't find it unless you already have the link. The only results are the 2 acekard bundle with compulsory microsd and the cheapest is $34.

 

[nl255]

modchips? i hear they're US based iirc.

Can you be more specific? Like an actual link? Because I really don't want to have to wait 50 days to get it.

 

[proflayton123]

Can you be more specific? Like an actual link? Because I really don't want to have to wait 50 days to get it.

this doesn't look to bad?

 

[nccom]

While an NDS cart with flash-able firmware is a requirement from what we know, flashcarts that flash their firmware from their own built-in OS may not work (and would render them completely unable to go back to being a functional cart again). It's likely that the only NDS carts that'll work for this are ones whose firmware can be updated via PC, such as this one: Supercard DSonei which includes a USB adapter for direct firmware writing.

DSonei is discontinued and it doesn't make any sense to destroy $50 DStwo for that.
Best option would be ak2i or r4i clones if he can get this method working with them.
And btw you can reflash ak2i bootloader by using another ds flashcard, not sure if such method works with r4i cards.

 

[DocKlokMan]

DSonei is discontinued and it doesn't make any sense to destroy $50 DStwo for that.
Best option would be ak2i or r4i clones if he can get this method working with them.
And btw you can reflash ak2i bootloader by using another ds flashcard, not sure if such method works with r4i cards.

I know it's not available anymore, that's why I chose it since I didn't risk people misreading and buying it. As for destroying a DSTWO, I already replaced it with a cheaper card so I could use NDS forwarders so it's literally gathering dust right now. If I can use it to hack a few 3DS consoles it'll be given a new life.

 

[nccom]

Sell it to somebody for $50, buy ak2i for $20, profit.

 

[Deleted member 381889]

Completely forgot about MCU bricks. They cannot be unbricked with this. Sorry 2.1 N3DSes.

 

[dpad_5678]

Completely forgot about MCU bricks. They cannot be unbricked with this. Sorry 2.1 N3DSes.

What about us failed-mardmod-BSoD'ers? I'm guessing that counts as fried NAND chip?

 

[Deleted member 381889]

What about us failed-mardmod-BSoD'ers? I'm guessing that counts as fried NAND chip?

Yeah, if it's an issue with the NAND, you should be fine.

 

[yacepi15]

Yeah, if it's an issue with the NAND, you should be fine.

We should do the combo every time, right? Also... It's anyone without being Norrmatt working on this?

 

[dpad_5678]

Yeah, if it's an issue with the NAND, you should be fine.

Thanks m8