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Discussion in 'Switch - Hacking & Homebrew' started by FatherFingLing, Dec 3, 2017.
DELETE THIS PLZ
Looks like the recovery mode on the 3DS, which tries to update the system in case something's corrupted and it can't boot.
From what one of the team members of the reswitch Discord said it's a USB debug mode
I am almost 100% sure it is not a USB debug mode, as that would make it way too easy for hackers to read/write files from NAND and load exploits.
Nintendo isn't that dumb.
EDIT: It likely just forces the Switch to install a firmware update from an inserted cartridge.
Hegberg normmatt and stuckpixle
Yeah, Im thinking a gaming company maker specially nowadays, I don't think they would put a combination of button presses to make it debug .
But it's interesting, if anyone finds out what it is, plz report here.
It's not impossible that it's a debug mode. I mean the communication protocol could certainly be protected by some form of encryption. And if that's indeed what this is I'm sure it's not unprotected.
To me I just find it interesting I don't feel like it will lead to anything major unless Nintendo really fucks up
What's the combo? That seems really interesting to test
Its in the video
It's the safe mode, you can check the documentation here: http://switchbrew.org/index.php?title=Boot
The Switch has an anti-downgrade check and you can't upload unsigned FW anyway.
Thank you for the info and we'll yeah it's using efuses to prevent a downgrade either through hardware or software. As for an unsigned FW ha I know Nintendo has messed up in the past with signing software and such. (See for example the trucha signing bug on the Wii) but I'd like to think they wouldn't repeat there mistakes with newer devices. Though I at the same time kind of wish they would lol.
Can't hear you in the video (and i have a bad English).
Can you give the combo in text please ?
Great. we have safe mode... but I'm wondering something.... I remember when we got the kernel, and when pegaswitch actually worked on 3.0.0 people were talking about downgrading and how eFuses were able to be bypassed if you had the root keys and I think trustzone... could those be implied here to create a possible exploit, or is this just wishful thinking?
I feel like this is more of wishful thinking because Nintendo wouldn't leave a massive vulnerability in a menu like that and only Nintendo has the keys to do everything with the switch unless it's somehow hackers figure it's out but until then I feel like this menus probably not going to be used but but if Nintendo patches this menu out in a firmware update then maybe there is something there because the menu itself works on 4.01but on earlier versions it doesn't work
power completely off
hold the volume down button
while still holding volume down, hold power
let go of volume down, but not power
while still holding power, hold volume up
let go of power, but not volume up
A second after the Nintendo logo appears, let go of volume up
Although, don't let go of volume up immediately upon seeing the Nintendo logo. You need to wait a full second or so.
Boot doesn't necessarily mean that it's this combo. From what I read is that it runs at boot and checks and changes a few things before startup. This is a potential exploit and needs just a bit more research. Let's have our fingers crossed.