The update itself is relatively small compared to the 1.7 GB base game, typically requiring around 241 blocks (approximately 30 MB) of space on your SD card. Version History Summary
While the official way to update is through the Nintendo 3DS eShop (where updates often remain available even after the storefront closes for purchases), many players utilize CIA files. Pokemon X Update 1.5 Cia
Enhanced "unauthorized data-check" functions to prevent the use of modified Pokémon in competitive play. The update itself is relatively small compared to the 1
Addressed specific issues that caused frequent disconnects during Random Matchups and Online Competitions . Pokemon X Update 1.5 Cia