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Quickstart

What is CFW, and how to install it ?
You can follow The Ultimate Noob Guide for Hacking your Nintendo Switch. This guide will explain you all of the steps required use a CFW on your Switch.
Is my switch ready for cheats ?
Please consult the serial number checker.
How to install cheat codes on my Switch ?

The first step is to set your CFW in your profile. This will allow you to automatically download the cheat code in the correct format.

Then, once you have found the cheat you want, you just have to download it and extract it at the root of your sdcard.

Be sure to extract the content of the archive at the root of your sdcard, something like that /<cfw>/[titles|contents]/<titleId>/cheats/<buildId>.txt, where

cfw
Depends of the Custom Firmware used. Maybe atmosphere, sxos, ...
titleId
This is the release number of the game.
buildId
This is the release number of the game. Each new version has a different BuildId. A cheat is made for a specific buildId, it may or not work for another buildId.
  • Atmosphere or ReiNX: sdcard:/atmosphere/contents/<titleId>/cheats/<BuildId>.txt
  • SX OS: sdcard:/sxos/titles/<titleId>/cheats/<BuildId>.txt

Here's an example for Animal Crossing: New Horizons.

Be sure to extract the cheat on the sdcard and to have a file at the following location : /atmosphere/contents/01006f8002326000/cheats/F829A27213D46F9F.txt if your cfw is atmosphere.

Why cheats are not showing/working ?

Double, triple check your Build ID, they MUST match.

Update to the latest version your Custom FirmWare.

Your cheat code should be lengthy. Keep it under ~100 lines and SHORTER than 32Kb

Check for strange characters in the title and keep it less than 64 characters. Remove any characters that aren't letters or numbers.

Why cheats are not showing/working anymore after game update ?

Every time your game updates, you need to update or get new cheats for this specific release. Cheats are made for a specific version of a game.