I believe it's said to merely brick your emunand sd card, requiring a reinstall of everything.

I mean you could unlink your nands and update emunand to 10.3 or 9.5 on N3ds for better support with newer games.
You could also setup bootntr.cia to bypass region lock issues on N3ds, and to access it's language plugin for more stubborn games.

If you're on an o3ds though, you should be good to bring your emunand to 10.3 if you unlink your nands. That will allow eshop access and installing of the latest games without fwspoof cia.

 

I mean I'm assuming you already squared away cia installs through either injecting FBI, or forcing a cia manager install to emunand somehow?
Because now that I reread your first post I don't see you mentioning that.

 

I installed FBI before creating an emuNAND, so now I have FBI on emuNAND and a seemingly invisible FBI on sysNAND (for obvious reasons, loading Pasta CFW should make it show up)

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Sorry, it's just i'm really used to posting here. And yes, I have menuhax set to autoboot on rxTools and only boot onto sysNAND if I press a button. Plus... i'm not stupid, I put a different theme on emuNAND, it's very easy to tell which one is which.

 

Good idea, i'll install it later.

 

I've also heard this is the safe and preferred method for dsiware and gba installs, though I'm not entirely sure why.

 

DevMode is a less 'patched' mode of rxtools.
It is almost the same a entering sysnand directly, but it patches out only the cia signature check, so you can install and launch non-legit CIAS, at the same time you are not spoofing the firmware.

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Yep! You can remove FBI or any other CIA you did install from Data Management in emunand!!
Just remember you will be rebooted when exiting System Settings.