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: You are trying to install a NAND file meant for a different model (e.g., trying to put a New 3DS NAND onto an Old 3DS console). Stop immediately, or you will brick your device.
Before starting, ensure you have the necessary hardware and software ready:
Select [1:] SYSNAND SD or [2:] SYSNAND CTRNAND .
Once complete, power off the console, insert the SD card into your computer, and safely move the nand.bin file from the gm9/out folder to a secure cloud or external hard drive backup. Step 4: Installing and Restoring System Files 3ds nand download install
Never leave your only NAND backup on your 3DS SD card. If the card becomes corrupted, you lose your safety net.
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In GodMode9, select your backup file -> NAND image options... -> Restore NAND . : You are trying to install a NAND
Creating a NAND backup is the single most important step before customizing your console. If something goes wrong, this backup can save your 3DS from a permanent "brick."
Copy these files to a secure location on your PC, cloud storage, or an external hard drive. Once safely backed up on your computer, you can delete them from the SD card to free up space (as a NAND backup takes up roughly 1GB to 2GB depending on your console model). Step 2: Downloading Fresh System Files (NAND Rebuilding)
If the backup fails, you do not have enough space on your SD card. Delete temporary files from your gm9/out folder to make space 1.2.2. Once complete, power off the console, insert the
Below is a guide based on the standard practices for managing 3DS NAND files, primarily using , the gold standard tool for 3DS file system manipulation. 1. Understanding the 3DS NAND
Reinsert the SD card into your 3DS and boot into by holding (Start) + (Power) .
A NAND backup is essentially a full system image. If your 3DS fails to boot after a theme installation, system update, or homebrew mistake, you can use your NAND backup to unbrick the device 1.2.1 . Without it, a bricked 3DS might become completely unrepairable.