Pokemon Shiny Lunala (Sun / Ultra Sun) or Shiny Solgaleo (Moon / Ultra Moon)

Use these steps, along with your code, to get Shiny Lunala or Shiny Solgaleo:

Open your Pokémon Ultra Sun, Pokémon Ultra Moon, Pokémon Sun, or Pokémon Moon game.

Select Mystery Gift on the main menu.

Select Receive Gift.

Select Get with Code/Password, then Yes, then Yes again to connect to the internet.

Enter your code.

Watch as the Legendary Pokémon arrives in your game.

Speak to the delivery person in any Pokémon Center to receive your Legendary Pokémon.