Get Started Before starting this guide, we will see if custom firmware is already installed and check the current system version of your console. Section I - CFW Check Power off your …

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.

This guide works with every retail console in the Nintendo 3DS family of consoles (including the 3DS, 3DS XL/LL, 2DS, New 3DS, New 3DS XL/LL, and New 2DS XL/LL), regardless of region …

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).

This will remove all content from the 3DS and log you out of your NNID. Keep in mind that your console's encryption key will be shuffled, meaning that any old data will be rendered …

After installing the image, you can update your console normally to the latest firmware (11.17.0). Note that region changing is almost completely unnecessary since Luma3DS supports out-of …

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, …

This is an add-on section to check if your console already has a modern custom firmware. If your console already has an arm9loaderhax or boot9strap based custom firmware, you will need to …

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.