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

catlover007 · 2024-04-22T04:06:40+00:00

duckstation is an excellent Playstation 1 emulator by Stenzek. It has a very good compabiility and it is quite performant. It also supports all kinds of enhancements such as high resolution rendering and PGXP which can lessen the "wobble" and...

Atmosphere rebooting into Atmosphere and not Hekate

Thread starter Ondrashek06
Start date Apr 22, 2024
Views 307
Replies 4

Ondrashek06

Well-Known Member

Member

Level 12

Apr 22, 2024

So I updated AMS to version 1.7, and now whenever I reboot, it reboots Atmosphere instead of going to Hekate...

How do I get it to launch Hekate again on reboot?

linuxares

The inadequate, autocratic beast!

Global Moderator

Level 26

Apr 22, 2024

Post your hekate_ipl.ini

EDIT: How do you do the "reboot"?

Ondrashek06

Well-Known Member

Member

Level 12

Apr 22, 2024

linuxares said:
Post your hekate_ipl.ini

EDIT: How do you do the "reboot"?

Hold POWER and select "Power Options" then "Reboot".

Also, I can't post the hekate_ipl.ini, the file extension is banned on GBATemp for some reason.

josete2k

Well-Known Member

Member

Level 9

Apr 22, 2024

Change your reboot_payload.bin

Reactions: linuxares

linuxares

The inadequate, autocratic beast!

Global Moderator

Level 26

Apr 22, 2024

Ondrashek06 said:
Hold POWER and select "Power Options" then "Reboot".

Also, I can't post the hekate_ipl.ini, the file extension is banned on GBATemp for some reason.

You can just copy the code from it and post.

Try what @josete2k suggested. The reboot_payload have to be the hekate one.