Confirm the prompts by entering the button combinations displayed on the screen to safely flash the clean NAND back to the internal chip.
Stay safe, and happy modding.
: 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 restoration process takes the same 5–15 minutes. Once done, press (Start) to reboot. Your 3DS should be exactly as it was the day you made the backup.
Once complete, press (A) and then power off by holding (R) + (Start) . 3. Key Considerations How to Backup Your Nintendo 3DS NAND Confirm the prompts by entering the button combinations
Requires soldered points (CLK, CMD, DAT0, GND) on the motherboard.
If your 3DS is stuck on a "bridge" or has a corrupted OS, you can "install" a fresh CTRNAND image. Move these to a safe location like a PC or cloud storage
Before attempting to download (backup) or install (restore) a NAND image, you must have the following: Running Luma3DS CFW is mandatory.
Before attempting to dump or install a NAND file, ensure you have the following setup:
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