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...

Anybody know what these resistors/caps do? V2 Mariko PicoFly Fail

VictorT

Member

Newcomer

Level 1

Oct 29, 2023

Ended up buying a 3rd switch off CL and screwed it up in a different way (knocked off the wifi resistors on the left no wifi!)

but I went back yesterday and cleaned up my first mess with my new microscope. (attached photo from old scope)

I fixed the bridging on the adjacent chip but didn't reinstall the missing three components (10nf cap, 100k res, 4.7uf cap) I figured being that close to an M92T36 they had someething to do with USB-C and maybe it wouldn't charge or dock and I had already replaced the switch so why not give it a shot?

I installed a flashable hwfly (much easier and heck it was $12) reassembled the system and ... nothing appears wrong with it. It docks, It charges, it's running at a reasonable temperature.

So to my topic, What did they do? and How bad is it to run without them? I still haven't gotten the hang of 0201 components.

Thanks again,
Vic

Anybody know what these resistors/caps do? V2 Mariko PicoFly Fail

Member

Similar threads

Popular threads in this forum