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by spondylosaurus 1124 days ago
Wow, you weren't kidding about the magnet:

> The usage of this exploit, regardless of the flashing method, requires access to a small magnet if the target device is of a folding style (any 3DS family system that is not the old 2DS with a sleep switch). This is because the exploit requires your device to enter sleep mode while still having access to the buttons.

1 comments

That's part of a factory recovery mechanism, basically. The system looks for Start+Select+X+Power and the magnet to be detected and it'll immediately fail over to booting from the DS slot.
It pretty much has to be either a service mode or a developer back door. I'd love to know for sure. Maybe a leak some day will satisfy my curiosity.
In the presentation made when it was discovered[0] they said: “The NTR cartridge was likely meant to be used for either the factory setup or as a means of recovering bricked NANDs. However, we'll never know for sure.”

[0]: https://sciresm.github.io/33-and-a-half-c3/