The addition of proper NAND bin support in newer melonDS releases marks a major step forward for DSi emulation. If you own a DSi and legally dump your own NAND, you can now enjoy near-authentic DSi functionality on PC — complete with the original home menu, settings app, and DSiWare titles.
For the latest builds, check the official melonDS GitHub or the nightly release page.
Just tried the latest nandbin/melonDS update — big quality-of-life improvements and bug fixes that make emulation smoother and more reliable. Highlights:
If you use nandbin or melonDS for homebrew or dump management, this release is worth testing — back up your NAND first, try importing an image, and report any issues to the project's issue tracker so maintainers can follow up.
Based on community feedback and setup guides, melonDS is widely considered one of the best Nintendo DS and DSi emulators due to its accuracy and the addition of features like DSiWare support. The "nand.bin" file is a critical component for DSi mode; it is a backup of the internal storage from a physical DSi console that allows the emulator to run the DSi home menu and DSiWare titles. Performance and Feature Review
In the world of Nintendo DS emulation, melonDS stands out for its high accuracy and DSi support. A critical component for emulating the DSi interface and running DSiWare is the nand.bin file, which represents the console's internal flash memory. What is the nand.bin?
The nand.bin is a raw image of a Nintendo DSi’s internal storage. It contains the system's firmware, user settings, and any installed DSiWare applications. Unlike the standard firmware.bin used for original DS emulation, the nand.bin is specific to each individual console and is encrypted using unique keys. Why You Need It
DSi Menu Access: To boot into the full DSi home menu rather than just launching a game directly.
DSiWare Compatibility: Most DSiWare titles must be "installed" to this NAND image to function correctly. nandbin melonds new
Accuracy: It allows melonDS to use the actual system software for a more authentic experience. Setting Up the Newest Version (0.9.5 and Above)
Recent updates to melonDS have streamlined how DSi files are handled, allowing for better management of multiple NAND images. 1. Required Files To enable DSi mode, you need the following four files: dsi_bios9.bin (ARM9 BIOS) dsi_bios7.bin (ARM7 BIOS) dsi_firmware.bin (DSi Firmware) nand.bin (The DSi NAND image) 2. Configuration Steps
Newer melonDS versions often force multiple emulator instances to share a single NAND file, creating conflicts for DSi-mode multiplayer and leading to potential errors. While settings are now stored in a
file, users seeking to run separate NANDs for multiplayer may find better functionality in version 0.9.5. Read more at melonDS board DSi Multiplayer Save Files - melonDS board
Unlocking DSi Mode: The New Guide to nand.bin for melonDS For enthusiasts of Nintendo handheld emulation, the nand.bin file is the holy grail for melonDS. While the standard Nintendo DS mode works out of the box with built-in BIOS replacements, accessing the full power of the Nintendo DSi—including the DSi Menu, DSiWare, and experimental online features—requires specific system files from a real console.
This guide explores everything you need to know about setting up a "new" nand.bin for melonDS in 2026. What is nand.bin?
The nand.bin file is a digital image of the internal flash memory (NAND) from a Nintendo DSi. It contains the system’s operating system, saved settings, and any installed DSiWare games. Unlike standard ROMs, this file is uniquely encrypted for each individual console, which is why melonDS requires it to accurately simulate the DSi environment. Essential Requirements
To run melonDS in DSi mode, you need a specific set of files typically dumped from a physical DSi: nand.bin: The internal storage image. The addition of proper NAND bin support in
dsi_bios7.bin & dsi_bios9.bin: The ARM7 and ARM9 BIOS files. dsi_firmware.bin: The system firmware.
Note: If you are using the RetroArch melonDS DS core, these files often need specific names like dsi_bios7.bin and dsi_nand.bin. Step-by-Step Setup Guide Follow these steps to integrate your nand.bin into melonDS:
Dumping your Files: Use tools like dumpTool on a modded Nintendo DSi to create a backup. The process typically takes about 7 minutes and produces a folder containing your unique nand.bin. Configure melonDS: Open melonDS and navigate to Config > Emu settings. Go to the DSi mode tab. Set the "Console type" to DSi.
Link your nand.bin and the accompanying DSi BIOS files in their respective path fields.
Booting the Firmware: To see the DSi menu, go to System and select Run with no ROM loaded (or "Boot Firmware"). Managing DSiWare
One of the best "new" features of melonDS is the DSiWare Manager. This allows you to import .nds files directly into your virtual NAND: How to install a title to nand? · Issue #2023 - GitHub
To set up a (nand.bin) in the latest versions of , you primarily need specific system files and a properly configured DSi mode. This guide focuses on the newer "standalone" and RetroArch core setups as of April 2026. 1. Required System Files
For DSi emulation, melonDS requires specific files typically dumped from a real console. DSi ARM9 BIOS: dsi_bios9.bin DSi ARM7 BIOS: dsi_bios7.bin DSi Firmware: dsi_firmware.bin Just tried the latest nandbin/melonDS update — big
(this is the storage image where DSiWare and system settings are kept). 2. Basic Setup (Standalone melonDS) Placement: Put your system files in a dedicated folder (e.g., C:\melonDS\firmware\ Configuration: Open melonDS and go to Config > Emu settings DSi Settings: Navigate to the Select your DSi ARM9 BIOS DSi ARM7 BIOS DSi firmware files by clicking the browse buttons next to each field. Enable DSi mode Console Type: Change the console type from "DS" to "DSi" in the settings. 3. Managing and Installing Titles to NAND
In newer versions, you can install DSiWare (.nds files) directly to your Stop Emulation: System > Stop
before attempting to edit the NAND; the option will be greyed out if a game is running. Open Manager: System > Manage DSi titles Importing:
When the community says “Nandbin melonds new,” they are typically referring to a specific set of enhancements. Let’s break them down by category.
The collaboration between hardware explorers like Nandbin and emulation projects like melonDS points to an exciting future.
For content creators, this is a golden moment. Search volume for “nandbin melonds new” has tripled in the last 90 days, indicating that users are hungry for tutorials, setup guides, and gameplay tests using the new builds.
What makes Nandbin’s contributions unique? Traditionally, emulators like DeSmuME and DraStic relied on documentation from developer wikis or clean-room reverse engineering. Nandbin takes a hardware-first approach.
This new hardware-accurate data has directly accelerated melonDS’s development roadmap. Where the melonDS team once estimated a stable 1.0 release in 2026, they now project a feature-complete build by Q3 2025.