As requested (again) here's the root of the sd card. I formatted it exactly as the guide said : r/nds
Free | How to Fix 3DS Could Not Detect SD Card in 6 Ways - EaseUS
Pretendo Network
How to get my 3DS working with Luma ? | GBAtemp.net - The Independent Video Game Community
I bought a 3DS from someone, and the 3DS was hacked with a program called Luna or something like that which brought my 3DS to a black screen. Does anyone know how to fix this? - Quora
Clean up SD card in 3DS | GBAtemp.net - The Independent Video Game Community
Extracting files for pk3DS using GodMode9 - ROM - 3DS Guides and Other Resources - Project Pokemon Forums
How to Homebrew a Nintendo 3DS/2DS : 5 Steps - Instructables
How to fix 3DS could not detect an SD card issue?
Root Jailbreak Nintendo 3DS with Charger, Stylus, 8gb SD Card and 8gb worth of Games, Video Gaming, Video Game Consoles, Nintendo on Carousell
Super-SkaterHAX 3DS - (Exploits) - GameBrew
Hi guys, I have the same problem, but switching the update files didn't do anything. · Issue #1592 · LumaTeam/Luma3DS · GitHub
TWiLight Menu++ - Play DS Games from SD Card on 3DS - CFWaifu
no applications found, no applications could be found on the SD card. Make sure a folder named/3ds exists in the root of the SD card and it contains applications”? : r/3dspiracy
Free | How to Fix 3DS Could Not Detect SD Card in 6 Ways - EaseUS
multiple Nintendo 3ds folders on sd card root ?! | GBAtemp.net - The Independent Video Game Community
3DS: How to install FBI (For CIA Files) - Wololo.net