If you are using a standard retail 3DS, you can still download the update by following the Official Nintendo Support guide and scanning the provided QR code. For users with CFW:
This update is mandatory for all online functions, including Random Matchups and Global Trade System (GTS) trades. pokemon x update 15 cia better
Strictly speaking, the content of Update 1.5 is the same regardless of whether you download it from the eShop or install it via a CIA file. However, the CIA format offers specific advantages for certain users: If you are using a standard retail 3DS,
For players using emulators like Citra, a CIA file is the required format to manually "install" the update into the emulator environment. pokemon x update 15 cia better