One of the best reasons to set up nand.bin correctly is to play DSiWare games. DSiWare were downloadable titles from the defunct DSi Shop (e.g., Shantae: Risky’s Revenge, Aura-Aura Climber, Dark Void Zero).
To install DSiWare into your nand.bin:
Warning: Altering nand.bin by installing DSiWare modifies the file permanently. Keep a backup of your clean dump.
nand.bin unlocks the full potential of melonDS for DSi content. While optional for DS games, it’s essential if you want to experience DSi exclusives or the DSi system interface in an emulator. Always dump your own files from hardware you own.
To use DSi mode in melonDS , you must have a nand.bin file, which is a dump of the Nintendo DSi's internal flash memory. While standard DS games can run without external files in newer versions of melonDS, DSi emulation strictly requires a valid NAND, BIOS, and firmware. 1. Requirements for DSi Mode
To fully enable DSi features, you need the following four files: DSi ARM9 BIOS: dsi_bios9.bin (64KB) DSi ARM7 BIOS: dsi_bios7.bin (64KB) DSi Firmware: dsi_firmware.bin (128KB) DSi NAND image: nand.bin (approx. 240MB) 2. How to Obtain nand.bin
The only official way to get this file is to dump it from your own physical Nintendo DSi console using a homebrew tool.
Download dumpTool: Place the .nds file on your DSi's SD card.
Run the Dump: Launch dumpTool on your DSi. Press A to start the NAND backup.
Retrieve the File: Once complete (about 7 minutes), power off and check your SD card. The file will be in a folder named DT###### as nand.bin. 3. Setting Up in melonDS nand.bin melonds
Once you have the file, follow these steps to configure the emulator:
MelonDS emulates the NAND chip by reading a binary file named nand.bin. This file is a raw, sector-by-sector dump of a real NDS/DSi NAND memory.
When you launch MelonDS with a valid nand.bin:
Crucially: Without nand.bin, MelonDS cannot enter DSi Mode. It will fall back to classic DS mode, but even then, many advanced features (like proper sleep mode emulation) will be broken.
Understanding and Utilizing in melonDS In the context of the emulator, the
file represents a raw dump of a Nintendo DSi's internal flash memory (NAND). This file is essential for emulating the DSi Menu, launching DSiWare, and accessing the console's internal system settings. 1. Purpose of
file serves as the "hard drive" of the virtual DSi. Unlike the original Nintendo DS, which primarily ran games from cartridges, the DSi introduced internal storage for: System Menu : The graphical interface used to launch applications. : Digital games and apps purchased from the DSi Shop. System Settings : Configuration for Wi-Fi, brightness, and user profiles. Saved Data : Photos, Flipnotes, and certain application save states. 2. Requirements for DSi Emulation
To successfully use DSi features in melonDS, the emulator requires a specific set of firmware files alongside the NAND dump. These files must typically be sourced from a physical DSi console: : The ARM9 BIOS. : The ARM7 BIOS. firmware.bin : The console's firmware. : The internal storage dump. 3. Creating or Obtaining a
contains copyrighted Nintendo code and console-specific encryption keys, it is not legally distributed. Users generally obtain it through the following methods: Console Dumping One of the best reasons to set up nand
: Using a modded (Homebrew) DSi to dump the NAND using tools like Encryption Keys
is encrypted with a unique CID (Console ID) and a Console ID key. For melonDS to read the NAND, it often requires these specific keys or a decrypted version of the dump. 4. melonDS Setup Procedure : Move your
, BIOS, and firmware files into the melonDS executable folder or a designated "Firmware" directory. Configuration : Open melonDS, navigate to Config > Emu settings , and go to the Path Selection : Browse and select the
: Set the emulator to "Boot from firmware" (or DSi mode) to reach the DSi Menu instead of launching a game directly. 5. Managing NAND Content The size of a is typically around
. Users can manage the content within this file (such as installing files or DSiWare) using external tools like
or by using the built-in DSi Menu features within the emulator to manage data.
file is a critical component for emulating the Nintendo DSi within the
emulator. While standard Nintendo DS games can often run without external system files in modern versions of melonDS, DSi-specific features and DSiWare games require this file to function.
file is a raw dump of the Nintendo DSi's internal flash memory. It contains the console's operating system, system settings, and installed applications like DSiWare. Essential Requirements Warning: Altering nand
effectively for DSi emulation, you generally need the following accompanying files: DSi ARM9 BIOS DSi ARM7 BIOS DSi Firmware DSi NAND image (~240MB, typically named Benefits of Using the DS and DSi Bios Files of #MelonDS | #NDS + #DSi Menu
The nand.bin file is a required system image for melonDS when emulating the Nintendo DSi. While standard DS games can often run without extra files, DSi mode requires a dump of the console's internal flash memory (the NAND) to access the home menu, system settings, and DSiWare. 🛠️ Purpose of nand.bin
In the context of melonDS, nand.bin acts as the virtual storage for the DSi console.
System Functions: It allows you to boot into the full DSi Home Menu rather than launching games directly.
DSiWare Support: It provides the space to install and run DSiWare titles (.cia or .nds files).
Settings Storage: It saves system-level data like your username, internet settings, and photos taken with the DSi camera.
You must dump it from your own physical DSi console using homebrew software like:
⚠️ Do not download
nand.binfrom the internet. It is console-unique, contains your console’s encryption keys and personal data, and sharing/downloading it is copyright infringement.
Many emulators (like GameBoy Advance emulators) only require a BIOS file. The Nintendo DS is different because of the ARM9 and ARM7 co-processors and the complex boot process.
Here is the boot sequence MelonDS follows:
If nand.bin is missing or corrupted, the boot process halts at step 4. You might see a black screen, a frozen "Loading..." message, or the emulator simply crashes.