3ds Nand Download Install Here
If you have Luma3DS custom firmware installed, download the latest GodMode9.zip . Extract the luma folder and gm9 folder to the root of your SD card. Also copy the GodMode9.firm to /luma/payloads/ and rename it to x_GodMode9.firm (the x makes it boot by holding Start).
A: Do it immediately after installing custom firmware. Do it again before any major system update (e.g., 11.15 to 11.16). Do it after you finish setting up all your apps. 3ds nand download install
If your 3DS is bricked, you may need to force boot GodMode9 using a magnet (for Old 3DS) or an RCM-like jig. However, most soft bricks still allow GodMode9 via the Luma chainloader: Hold (Start) + (Select) + (X) while powering on to force GodMode9 load from SD. If you have Luma3DS custom firmware installed, download
A is a special, pre-downloaded image of the official Nintendo 3DS operating system for your specific region (USA, EUR, JPN, KOR). This is the only type of "NAND download" from the internet that is safe to install, because it overwrites the OS but leaves your console-unique keys intact. A: Do it immediately after installing custom firmware
Press (Home) again, go to More... > SD format menu (just to navigate) or simply browse to: SD card:/gm9/out/
A: Absolutely not. If you install that, you will merge your console’s unique keys (movable.sed) with a stranger’s. Your 3DS will refuse to boot. You have been warned.
Stay safe, and happy modding.