Mod any 3DS/2DS

Watch these three videos in order: mod your console, change its region if you need to, then learn how to use it. Everything I use is linked below the videos.

Links you need

1

Mod any 3DS/2DS in 10 Minutes

Start here. This puts custom firmware on your console.

2

Region Change Any 3DS/2DS in 10 Minutes

Optional: change your console's region, for example to play games from another country.

3

How to Use a Modded 3DS in 10 Minutes

Your console is modded. Here's what you can do with it now.

Before you start

Follow the guide exactly. Skipping steps is how consoles get bricked.
Back up your SD card to your computer before you begin.
Keep your NAND backup safe. The guide makes one for you. It's your rescue copy if anything goes wrong.
Modding is done at your own risk.

Links

The guide

3DS Hacks Guide
The community guide I follow in the video. It's kept up to date, so always use the newest version.
Region Changing
The region change steps from video 2.

Unlimited games

hShop
Unlimited games.

Themes

Anemone3DS
Install custom themes, splash screens and badges.
ThemePlaza
Thousands of themes made by the community, ready for Anemone3DS.

Online play

Pretendo Network
Brings online play back to your 3DS after Nintendo shut down its servers.

Free amiibo

3DS Hacks Guide: Wumiibo
Use amiibo in your games without the figures.
Universal-Updater
An app store for homebrew apps, right on your 3DS.

Retro games

3DS Hacks Guide: Emulation
Play classic consoles on your 3DS. Please check your local laws for your backup files.
Universal-Updater
An app store for homebrew apps, right on your 3DS.

PC streaming

3DS Hacks Guide: Wireless Streaming
Stream your 3DS screens to your computer.
NTR Release
The streaming app for your 3DS.
NTR Viewer
The viewer app for your computer.

More ideas

Things to do list
Everything else you can do with your modded 3DS.

Not affiliated with Nintendo. Only play games you own.