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.

mig switch not working/updating??

stickybit · 2024-03-28T19:59:51+00:00

just got my mig switch and followed instructions to the T to update it and all im getting is a red light and then a message saying cart not recognised, all im trying to do is update it to the latest firmware, it says it should flash blue when...

Hacking Emunand is bricked, sysnand is fine, want to get my saves from emunand

Thread starter NEO117
Start date Oct 16, 2019
Views 1,374
Replies 4
Likes 1

NEO117

Well-Known Member

Member

Level 4

Oct 16, 2019

Just as the title says.

I tried restoring my prodinfo with Incognito, but it errored out and sent me to hekate. Now I can't boot on my emunand. It's fine either way, since I was planning to re-hack my switch, but how would I get the saves out of there?

Reactions: Maupiti

veekay

Well-Known Member

Member

Level 6

Oct 16, 2019

Couldn't you backup the emunand to a file and then mount it with hacdiskmount and extract the saves?

NEO117

Well-Known Member

Member

Level 4

Oct 16, 2019

veekay said:
Couldn't you backup the emunand to a file and then mount it with hacdiskmount and extract the saves?

I tried. It's corrupted. Something else must have happened. Eh. No biggie. It's not like I had anything important.

username23bob

Well-Known Member

Member

Level 6

Oct 17, 2019

do not think it’s possible

ELY_M

Developer

Developer

Level 9

Oct 17, 2019

need to dump your emunand to your pc and do extracting method to get your saves.
otherwise create new emunand and use cheats in your games to go to the point in the games.