How can you Put in cheats for avatar burning earth for DS?

To enter cheats in "Avatar: The Last Airbender – The Burning Earth" for the Nintendo DS, you need to access the game's main menu. From there, select "Options," then choose "Cheats." Input the desired cheat codes using the stylus or the directional pad, and confirm your entry. Make sure to enter the codes accurately to unlock features such as new characters or abilities.