No it was already changed to EU, but I found my problem with Nintendo Homebrew Discord. Thanks anyways !
For anyone who has the same problem : Open gm9. Navigate to emunand ctrnand > rw > sys and press x on secureinfo_c and delete it.
I have a problem. I did change my console to EU not long ago from US, and I followed your steps but with transferring US CTRNAND to EmuNAND.
When I am booting EmuNAND,l I get is a black screen and I must force the shutdown (there's also an ARM11 error when I do it with a prefetch error)...
Will I need to use a VPN for these ? Anyways it's too late I downloaded them without any... Can I get some sort of message from my ISP for downloading these files ( already happened once for another game ) ?
The link for Old 3DS TWL FIRM doesn't work...
What to do ?
EDIT : Well, none of them are working for me ...
EDIT 2 : They are magnet links, I think I will need uTorrent, right?
My American R4i 3DS Gold (r4ids.cn) doesn't work on my European 3DS (region changed from USA with ctrtransfer).
I used TinyFormat (which says deletes MSET exploit, not sure if related) and I also formatted from Settings (for other reasons), and I saw that my card just loads into a black...