If you're experiencing issues with Pokémon Brilliant Diamond or are looking for information on how to update the game, here are some steps you can follow:
Enabled Wonder Trades in Jubilife City, allowing players to trade Pokémon with random people worldwide. Pokemon Brilliant Diamond -NSP--Update 1.3.0-.rar
Players with a Pokémon Legends: Arceus save file (and all main missions completed) can obtain the Azure Flute in their room at Twinleaf Town. This allows for a legitimate encounter with Arceus at the Hall of Origin. Pokemon Brilliant Diamond -NSP--Update 1.3.0-.rar