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...

ROM Hack ACNH- NHSE ISLAND DUMPS

Thread starter CursedLuck
Start date May 22, 2020
Views 26,415
Replies 7

CursedLuck

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May 22, 2020

Does anyone have a 5* island they wouldn't mind dumping to share for new horizons?

ozling

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Level 4

May 23, 2020

There's a thread already, with 3, 4 and 5 star island collections.

johnwanlam

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Feb 18, 2021

Can someone explain me how to do when there is a animal crossing update? All maps can be used fine? Just update animal crossing?

Xjackio

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Level 9

Feb 18, 2021

johnwanlam said:
Can someone explain me how to do when there is a animal crossing update? All maps can be used fine? Just update animal crossing?

You need nhse to dump/import the island, but works fine on any version

Reactions: johnwanlam

Gabrielsun18

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Jul 7, 2021

ozling said:
There's a thread already, with 3, 4 and 5 star island collections.

where is that threat lol

nantalos

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Jul 7, 2021

Gabrielsun18 said:
where is that threat lol

use the search function.
click on the magnifying glass (top right in the menu), type "acnh maps".
it's really not hard to find.

Gabrielsun18

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Jul 7, 2021

ive done that but cant find a really nice 5 star island ive looked for about 7 hours still cant find

iShade

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Mar 28, 2024

could someone dump this island for me?

DA-0093-0900-9926

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@ ZeroT21: Pretty sure anyone buying the switch just for that got duped 2 minutes ago

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ROM Hack ACNH- NHSE ISLAND DUMPS

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