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...

ROM Hack Request - Captain Toad Treasure Tracker Nintendo Switch Save file 100%

Thread starter Wolfuk
Start date Sep 5, 2018
Views 7,881
Replies 5

Wolfuk

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Level 2

Sep 5, 2018

Pretty please..or at least near to 100%. thank you

Mushuuu

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Level 1

Nov 30, 2018

Here you go, finished it this morning

You have to rename the file from txt to bin, I couldn't upload it otherwise

Reactions: M4rc3l0 and CVFireDragon

Delta80

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Level 1

Dec 2, 2018

Mushuuu said:
Here you go, finished it this morning

You have to rename the file from txt to bin, I couldn't upload it otherwise

How can I import the save in my game?

Inviato dal mio SM-G955F utilizzando Tapatalk

JeepX87

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Level 12

Dec 4, 2018

Delta80 said:
How can I import the save in my game?

Inviato dal mio SM-G955F utilizzando Tapatalk

You need access to CFW to export the save and copy 100% save to SD file, so import into Checkpoint.

Checkpoint still work on 6.2.

M4rc3l0

New Member

Newbie

Level 1

Apr 14, 2022

Please i need this file working in 14.1.0 update

Can someone help me?

Joshua8000

New Member

Newbie

Level 1

Jan 21, 2023

Mushuuu said:
Here you go, finished it this morning

You have to rename the file from txt to bin, I couldn't upload it otherwise

How do I update this game save file on my Nintendo account

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