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.
: The backup files (usually with "sysnand" in the name) are stored in the /gm9/out/ folder on your SD card. Move these to a safe location like a PC or cloud storage. 2. Downloading and Installing System Files 3ds nand download install
The 3DS NAND chip is a small storage device that holds the console's operating system, games, and other data. The NAND download install process involves downloading custom firmware or games from the internet and installing them on the 3DS NAND chip. This process allows users to customize their 3DS experience, play homebrew games, and even run emulators. A: Do it immediately after installing custom firmware