Yup, I've been trying to downgrade my friends N3DS and used SafeSysUpdater from 9.9, and it popped an error after several CIA's and NativeFirm.
Both browser and system settings just hang the 3DS in an infinite loop.
So I should just set up OOTHax on my already-downgraded N3DS, and use it to...
So I have two options, one is to use oothax and try downgrading again, and another one is to use a mario paper jam cartridge to update to 10.1, which one would be the safer better solution?