This update is mandatory for all online features, including Wonder Trade, Battle Spot, and the Global Trade Station (GTS). Key Fixes & Changes

Fixes an occasional bug where Pokémon would fail to learn new moves after evolving through a Wonder Trade. Visual Corrections:

If you are running custom firmware, you likely need a CIA file to update your game manually. This ensures the update resides on your system's Home Menu rather than being tied to the eShop.

Buy a used copy of Pokemon X ($30-40 USD), dump it using GodMode9, then patch the v1.5 update using a tool like NUSD (Nintendo Update Server Downloader) to grab the official patch from Nintendo's CDN. This gives you a clean, perfect "Updated" CIA without piracy.

for the Pokémon X update to ensure it matches your current version?

In 1998, the games were released in North America and Europe as Pokémon Red and Blue, and the franchise's global popularity began to grow. The games' success was fueled by the release of the Pokémon anime series, which debuted in 1997 and followed the adventures of a young trainer named Ash Ketchum and his Pokémon, Pikachu.