The Pokémon Omega Ruby version 1.4 update, released in April 2015, acts as the final, mandatory patch, incorporating data for the mythical Pokémon Hoopa and addressing various system bugs. While official 3DS eShop functionality for direct downloads has been discontinued, the patch is essential for accessing online features and can still be managed through the system's Data Management menu. For detailed instructions on updating, visit Nintendo Support BREATHEcast 'Pokemon Omega Ruby & Alpha Sapphire' New Update News
The safest way to get the update is through the Nintendo eShop. Even though the eShop has discontinued the sale of new games, updates and redownloads are still currently supported. Connect your 3DS to the internet. Open the Nintendo eShop from the home menu. Search for "Pokémon Omega Ruby Update." Select the "Ver 1.4" update and tap download. pokemon omega ruby update 14 link
Official online services for the Nintendo 3DS family ended on April 8, 2024 The Pokémon Omega Ruby version 1
.CCI or .3DS format..CIA file.File → Install CIA → select the update file.Properties → Updates tab. You should see “Version 1.4” listed.