Update 1.5 was designed as a cumulative patch, meaning it includes all fixes from versions 1.1 through 1.4.
Depending on your platform, there are two primary ways to ensure you are running version 1.5: pokemon x update 15 decrypted 3ds eur usa extra quality
Pokémon X Update 1.5: The Ultimate Guide for Decrypted 3DS (EUR/USA) Update 1
A popular visual tweak that removes the thick black outlines on Pokémon models, giving them a smoother, more cinematic look similar to Pokémon Go or Pokémon Home . The remains a critical component for anyone playing
Resolved a bug where Pokémon would fail to learn new moves after evolving via Wonder Trade and fixed filter errors in the Global Trade Station (GTS) .
The remains a critical component for anyone playing the Gen VI flagship title on original hardware or through modern emulation. This update, released in April 2015, is essential for maintaining online functionality and fixing long-standing stability issues. For those looking for the "decrypted" version, this typically refers to a format compatible with emulators like Citra, allowing for high-definition "extra quality" visual enhancements. Core Update Features & Changelog
You can still download the official patch from the Nintendo 3DS eShop by searching for "Pokémon X Update" or by scanning the official QR codes provided by Nintendo Support.