Melonds — Nandbin

The fork is not on GitHub (due to DMCA concerns? No, mainly because the developer uses GitLab). Current sources:

Configuration tips:

If you have stumbled across the phrase "nandbin melonds" in forums, GitHub discussions, or emulation guides, you are likely trying to enable advanced features in the melonDS emulator. To be clear: NandBin is not a separate tool or emulator. Rather, it is shorthand for the nand.bin file—a binary image of a NAND chip—that melonDS requires to emulate the Nintendo DSi’s internal storage or to simulate a proper DS firmware environment.

This article will serve as your definitive resource. We will cover:

By the end, you will understand exactly what “nandbin melonds” refers to and how to leverage it for the ultimate DS emulation experience.


| Device | Mainline MelonDS (0.9.3) | Nandbin MelonDS (Dec 2023) | Notable Gains | |-------------------------|--------------------------|----------------------------|----------------| | Raspberry Pi 4 (4GB) | 35-45 FPS (Mario 64 DS) | 58-60 FPS | Playable now | | Anbernic RG552 (ARM64) | 25-40 FPS (Pokémon B/W) | 55-60 FPS | Double speed | | Intel Celeron N4120 | 30 FPS (Metroid Prime H) | 52 FPS | 70% faster | | Steam Deck (x86_64) | 60 FPS (locked) | 90 FPS (uncapped) | Overkill |

Note: These gains are only for 3D-heavy games. 2D games (e.g., Castlevania: Dawn of Sorrow) show minimal improvement and often introduce graphical glitches. nandbin melonds

Nandbin MelonDS is an unofficial, source-available fork of MelonDS (based on an older pre-0.9 version) that focuses exclusively on:

It is not endorsed by the main MelonDS team. In fact, the mainline developers have expressed concerns about Nandbin’s changes breaking homebrew and edge-case commercial games. However, for a specific subset of users—retro handheld enthusiasts (Anbernic, Retroid Pocket, Miyoo Mini), Raspberry Pi 4/5 owners, and low-end laptop gamers—Nandbin’s fork became a lifeline.

Nandbin Melonds is not merely a keyword—it is the gateway to the definitive Nintendo DS emulation experience on mobile. While the extra setup step of sourcing a NAND binary deters casual users, the reward is unparalleled accuracy, faster performance, and access to the elusive DSi library.

If you own a DSi and are willing to dump your own firmware, Melonds with a proper Nandbin transforms your Android phone into the ultimate DS retro handheld—no stylus required, but highly recommended.


Have you successfully set up Nandbin Melonds on your device? Share your experience in the comments below, and don’t forget to back up your original NAND file before experimenting!

In the context of the melonDS emulator , nand.bin is a critical file required for DSi mode emulation. While standard DS games can often run without external files using built-in "FreeBIOS" clones, DSi emulation specifically requires a dump of the internal NAND memory from a physical Nintendo DSi console. Review of melonDS DSi Emulation (NAND) The fork is not on GitHub (due to DMCA concerns

for a while, you know it’s one of the best ways to revisit the Nintendo DS era on your PC or Android device. But there’s a whole other world locked behind the "DSi Mode" toggle:

To access the DSi Home Menu and its exclusive library, you need a specific file:

. In this guide, we’ll break down what it is, how to get it, and how to set it up so you can finally unwrap those digital presents on your emulated home screen. On a real Nintendo DSi, the

is the internal flash memory that stores the system’s firmware, settings, and downloaded DSiWare titles. For

file acts as a virtual copy of this storage. Without it, the emulator can’t boot into the DSi menu or save any DSi-specific data. Phase 1: Obtaining the Files

To run DSi mode, you need more than just the NAND. You’ll need a complete set of system files: : The ARM7 and ARM9 BIOS files. firmware.bin : The console’s system firmware. : Your DSi’s internal storage dump (approx. 240MB). How to get them: Configuration tips: If you have stumbled across the

The most authentic way is to dump them from your own hardware using a tool like on a homebrewed DSi. If your dump creates a file like or has a prefix like DSI_nand.bin , you must rename it exactly for most versions of melonDS to recognize it. Phase 2: Configuring melonDS

Once you have your files organized in a folder, follow these steps to link them to the emulator: Open melonDS and navigate to Emu Settings DSi Settings Check the box that says "Use external BIOS/firmware files" Browse and link each file to its corresponding slot ( goes in the NAND path). Crucial Step: Console Type from "DS" to Phase 3: Managing DSiWare

One of the coolest features of having a working NAND is the ability to install your own DSiWare files directly onto it.

Here’s a concise technical write-up on NandBin in the context of melonDS, the popular Nintendo DS / DSi emulator.


While Nandbin Melonds is stable out of the box, a few tweaks will elevate your experience:

The Nandbin Melonds model focuses on creating interconnected, community-managed food systems. These systems are designed to:

There are three legitimate methods to obtain a nand.bin file.