Users operating 3DS consoles with custom firmware (CFW) often utilize CIA files to install these updates manually. The process involves placing the .cia file on the SD card and using a software installer (such as FBI) to write the update data to the system's NAND (internal memory).
Starting the game while connected to the Internet will often trigger a notification to visit the eShop for the update. pokemon x update 15 3ds world cia region f new
Acquire the decrypted v1.5 update file (usually in .cia or .3ds format). Open your emulator interface. Users operating 3DS consoles with custom firmware (CFW)