Region F !!hot!! — Pokemon X Update 15 3ds World Cia

Highlight the Update 1.5 CIA file. Press the A button and select Install and Delete CIA . (Deleting the source file after installation preserves valuable space on your SD card).

For users managing their 3DS library via CIA files and homebrew: How to Update Pokémon X and Pokémon Y | Nintendo Support pokemon x update 15 3ds world cia region f

What is the Pokémon X update 1.5?