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.

Fusee.bin with the new Pre-release of Atmoshere 1.7.0

Mimikyu · 2024-03-30T15:42:14+00:00

Hello, little problem again... I tried to update my Switch again because of the new 18.0.0 Update of Nintendo. I'm reading a lot on the Website WiiDataBase and that's how and why i wanted to update now. My problem is that i can't access my custom...

can i be banned for using Nintendo Switch Online retro apps mods?

Thread starter MattDKfan
Start date Apr 17, 2024
Views 399
Replies 5

MattDKfan

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Newcomer

Level 1

Apr 17, 2024

title says all, i have a Expansion legit Expansion Pack Membership and i use CFW just to play Smash with Wifi-Safe mods, custom home menu and mods NSO retro consoles apps.
i haven't installed NSPs or XCI on my Sysnand. i ask this because i want to prevent a ban.

Fyrus

Artilleur Carmin

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Level 11

Apr 17, 2024

I'd say there's a pretty high risk of it

MattDKfan

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Newcomer

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Apr 17, 2024

Fyrus said:
I'd say there's a pretty high risk of it

that's what i thought, i will disconnect when using CFW then, thanks for the response

Hassal

Well-Known Member

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Level 4

Apr 18, 2024

Reactions: MattDKfan and Hayato213

TheStonedModder

Well-Known Member

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Level 9

Apr 18, 2024

MattDKfan said:
that's what i thought, i will disconnect when using CFW then, thanks for the response

That won’t protect you

If you don’t want to be banned don’t do anything on sysnand this especially not installing games you do not own

MattDKfan

Member

Newcomer

Level 1

Apr 18, 2024

TheStonedModder said:
That won’t protect you

If you don’t want to be banned don’t do anything on sysnand this especially not installing games you do not own

I downloaded everything from Eshop, i havent installed NSP or anything