You'll need to be connected to the internet to download the update.
While the 1.4 patch remains the final official software version, please be aware that Nintendo ended most online services for the 3DS family on April 8, 2024 . Features like the GTS and Wonder Trade are no longer functional, though the update is still required for certain local wireless features and verifying legitimate save data. 'Pokemon Omega Ruby & Alpha Sapphire' New Update News
While the update remains available for download to ensure local compatibility, official online play and communication for Nintendo 3DS software officially ended on April 8, 2024 or trying to set up local trading between versions?
: While not explicitly unlocked by the patch at release, version 1.4 included data for the Mythical Pokémon
The primary purpose of Update 1.4 was to address software bugs that affected gameplay stability and user experience. While Nintendo rarely releases detailed patch notes for Pokémon games, community testing identified several key areas improved by this update: