If you are using a custom firmware (CFW) 3DS or a ROM cart, downloading the official update may break compatibility with certain cheat plugins. Conversely, if your console is fully stock, install without hesitation.
Before diving into the specifics of Version 1.4, it is important to understand the state of Omega Ruby and Alpha Sapphire prior to its release.
Without the 1.4 version update actively written to the SD card, players were entirely locked out of: Pokemon Omega Ruby Update 1.4
Based on community analysis and data-mining, the Pokemon Omega Ruby Update 1.4 included several key changes beyond just vague "bug fixes":
The patch reportedly resolved disconnect issues that plagued Random Matchups in previous versions. If you are using a custom firmware (CFW)
The eShop and online delivery systems used to redeem promotional distributions, serial codes, and Mythical event giveaways—such as the distribution of Hoopa around that era—required the 1.4 client validation to process rewards safely. Version 1.4 Technical Profile Specification Detail April 22, 2015 File Footprint 250 to 270 Blocks (31MB – 34MB) System Host Nintendo 3DS / 2DS Family Platform Target Retail Cartridges & eShop Digital Downloads Parallel Patches Co-released with Pokémon X/Y Update 1.5 Official Log
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Even in 2026, if you plan to do any of the following, you must install Update 1.4:
To grasp the landscape of the 3DS era during this time, it helps to understand how different versions cross-played. Note that the patch numbers differed between the paired Hoenn remakes and the Kalos games: Game Title Active Patch Version as of April 2015 Compatibility Group Version 1.4 Gen 6 Hoenn Ecosystem Pokémon Alpha Sapphire Version 1.4 Gen 6 Hoenn Ecosystem Pokémon X Version 1.5 Gen 6 Kalos Ecosystem Pokémon Y Version 1.5 Gen 6 Kalos Ecosystem How to Install the Update Data