: The update data is stored on the 3DS SD card rather than the game cartridge itself. How to Update Pokémon X and Pokémon Y | Nintendo Support
Fixed a bug where Pokémon would occasionally fail to learn new moves after evolving through a Wonder Trade.
Fixed Poké Ball animations (e.g., Great Ball, Luxury Ball) when sending out a Pokémon first in battle. Pokemon X: Update 1.5 [Decrypted] 3DS (EUR/USA)...
: Fixed a specific issue that caused players to disconnect during Random Matchups and Online Competitions under certain conditions.
Fixed a glitch preventing Vivillon's menu image from appearing correctly in the Friend Safari. Technical Context : The update data is stored on the
: Disabled the display of Pokémon nicknames during online battles (reverting a temporary change from earlier that month), meaning only the standard species name is now shown to opponents. General Bug Fixes :
: This update is required to access any internet-dependent features, including the Global Trade Station (GTS) and online tournaments. : Fixed a specific issue that caused players
: The term "Decrypted" in your query typically refers to a modified game file (ROM) intended for use with emulators like Citra, which cannot run standard encrypted 3DS files.