have you moved the files from your regions 3077 folder to sd root?
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the steps are:
dumping emunand to emunand.bin
backing up the nindendo 3ds folder (the one with your sysnand and emunand folders) from root to pc.
enter emunand, system settings, check youre really in emunand, then format your emunand from system settings.
wwhen its done, reboot and enter emunand, go through the initial setup, set up internet connection and then go to system settings and NNID settings. log in with name, email and password.
careful, there's a chance that somewhere along the way, while the system sets up nnid stuff, you'll get bumped back into sysnand. if that happens, after you try to login, it will inform you that your system needs an update. in that case, just slowly back out of the menu, reboot and try again
when thats done, get back into emunand9, copy emunand.bin back to emunand, unmount your sd and restore the nintendo 3ds folder.
afterwards, everything should work.
dont worry if entering eshop gives an error the first time, that seems to happen, just start it again