A complete guide to 3DS custom firmwareGet Started Before starting this guide, we will see if custom firmware is already installed and check the current system version of your console. …

A complete guide to 3DS (and 2DS) custom firmware, from stock to boot9strap. Thoroughly read all of the introductory pages (including this one!) before proceeding.

While a DS flashcart can be used to mod a 3DS using ntrboot, there is now a free software method available for most consoles. 3DS-mode flashcarts like Gateway and Sky3DS are not …

In this section, you will sync your 3DS internal clock with the actual time and dump the sound firmware (which is necesssary for some homebrew software to use sound properly).

Hold the POWER button until the console turns off, then retry this section The word "Text": You have an Old 3DS, where this exploit does not work. If this is the case, you should follow …

If this is your first time modding a 3DS (or you're unfamiliar with technology), keep reading! Otherwise, if you have prior experience and know what you're doing, continue to Get Started.

Your SD card must be formatted as FAT32 to follow this guide, or else the 3DS will be unable to recognize it. If your SD card is not yet properly formatted, use one of these pages to format it, …

GodMode9 is a full access file browser for the Nintendo 3DS console, giving you access to your SD card, the FAT partitions inside your SysNAND and EmuNAND, and basically anything else.

This logic extends to system transfers, meaning you would not be able to perform a system transfer from a USA 3DS to a region-changed JPN-to-USA 3DS. Pokémon Bank also requires …

This method requires nothing more than your stock unhacked 3DS and a compatible flashcart. This method uses the flashcart to run the ntrboot flasher .nds file on your 3DS.