Hello guys, this is my first post here! I just got a MIG Switch card out of curiosity and I was tinkering with it. For those who don't know, it's used by placing XCI dumps as well as other game specific bin files in the sd card of the MIG Switch, and are obtained from the original cartridge by using an app like nxdumptool. Two of these bin files are mandatory to get the game to boot: Initial Data.bin and Certificate.bin. They stay the same for every cartridge of a specific game. Now, if you want to use an XCI dump from a shady website it's impossible to get it to work without those files. By using the Certificate.bin from another game it has no problem, but this does not count for the Initial Data.bin. So I looked for a way to obtain this Initial Data from an XCI file and read a bit of the XCI file documentation from switchbrew dot org. Here's what I understood so far: The Switch checks if the cartridge is valid by doing a challenge–response authentication on the Initial Data. The Package ID is contained both on the XCI and the Initial Data, on positions 0x110 and 0x0 respectively. The Initial Data hash is on the XCI at position 0x160. It is calculated by doing a SHA-256 hash on the full Initial Data content. So I was wondering, is there a way to to construct a functional Initial Data file starting from an XCI dump? I also tried a reverse approach by editing the Package ID in the Initial Data from another game, generating the Initial Data hash and putting it in the XCI file but is not enough to get the Switch believe it's a real game. Sorry if this may seem stupid but let me know what you think.

duckstation for Switch

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Hacking Switch shows up as RECOVERY, not APX

Thread starter itsharman
Start date Oct 14, 2018
Views 1,728
Replies 4

itsharman

Active Member

Newcomer

Level 4

Oct 14, 2018

Hey guys,

I'm trying to hack my Switch and I can get it into RCM mode but can't get it to be detected by Windows. I know the Switch is in RCM mode as I'm able to run an old fusee gelee python script through Linux on the same laptop (using libusb, it shows up as an NVIDIA device on Linux). Any tips on how to get Windows to recognize the RCM Switch as "APX"?

Last edited by itsharman, Oct 14, 2018

M7L7NK7

Well-Known Member

Member

Level 16

Oct 14, 2018

Did you install the APX drivers

Reactions: Ericthegreat

itsharman

Active Member

Newcomer

Level 4

Oct 14, 2018

Milenko said:
Did you install the APX drivers

I'm not sure. TegraRcmGUI says that RCM is detected, but Zadig doesn't show my device (or any device for that matter) under the dropdown menu.

Ericthegreat

Not New Member

Member

Level 14

Oct 14, 2018

Do you have another PC to test on by any chance? Just worried it could be a driver conflict, and that can be a bitch to fix.

itsharman

Active Member

Newcomer

Level 4

Oct 14, 2018

Ericthegreat said:
Do you have another PC to test on by any chance? Just worried it could be a driver conflict, and that can be a bitch to fix.

Unfortunately I don't have another PC. I'm able to use TegraRCM and load Hekate which is cool, but unfortunately my PC doesn't detect Switch RCM as an actual device connected.