Beginner's Guide to 3DS Modding

Mar 13, 2025

Key Information: 3DS Hacks Guide

Overview

  • Purpose: Introductory information for modding a 3DS.
  • Target Audience: First-time 3DS modders or those unfamiliar with technology.
  • Instructions: Continue reading for basics, or if experienced, proceed to Get Started.

Compatibility

  • Supported Consoles: All retail Nintendo 3DS family consoles (3DS, 3DS XL/LL, 2DS, New 3DS, New 3DS XL/LL, New 2DS XL/LL), regardless of region or firmware.
  • Unsupported Consoles: DSi family (DSi, DSi XL/LL). Use DSi guide.

Required Computer/Hardware

  • Must be capable of downloading files and copying to an SD card.
  • Compatible with Windows, macOS, Linux, chromeOS, and Android.
  • Note: USB to SD card adapter may be needed.

SD Card Requirements

  • Slot & Type: Varies by 3DS model, consult Nintendo's support.
  • Capacity: Can read any capacity, but must be FAT32 formatted.
  • Tools for Formatting: Vary by OS (Windows, macOS, Linux).
  • Recommendations: Use a single SD card. Minimum 2GB capacity.
  • Risks: Modding is generally safe but includes a remote risk of bricking.

Important Terminology

  • "Root of SD": The main directory upon opening the SD card.
  • Directory Notation: /folder/ indicates folder hierarchy, not part of folder names.
  • System Identifiers: Angle brackets like <ID0>.
  • File Management: Correct file placement is crucial.
  • Backup: Recommended to prevent data loss from potential SD corruption.

File Management

  • GitHub Downloads: Download non-source code files for mods.
  • ZIP Files: Extracted to access contained files; use system tools or 7-zip.
  • File Extensions: May need enabling on Windows for ease of access.

Getting Help