If you’re using a ROM in an emulator like , you cannot use the 3DS eShop directly. Instead, you need to download the update file (usually as a .CIA file) and install it within the emulator.
If using the Citra emulator, using a pre-patched Rev 14 ROM (without a separate upd file) is cleaner. If using a real 3DS, you want Pokemon Omega Ruby (USA).3ds (Base) plus the Pokemon Omega Ruby v1.4.cia (Update).
This is the official method and is completely legal if you own a legitimate copy of the game. pokemon omega ruby 14 3ds rom upd
: Text errors and minor localization layout bugs present in the release version are resolved.
Pokémon Omega Ruby version 1.4 update (released in April 2015) is a mandatory patch for players who wish to access online features on the Nintendo 3DS. While Nintendo’s official notes are brief, the update was critical for maintaining the game's competitive and social ecosystem. BREATHEcast Key Update Details If you’re using a ROM in an emulator
The Ultimate Guide to Pokémon Omega Ruby Update 1.4: Feature Breakdown and ROM Guide
If you don’t install the update, the game will run fine, but you will lose access to all online functionalities. If using a real 3DS, you want Pokemon Omega Ruby (USA)
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