For users with a PC, a tool called custom-install can install CIAs directly to the SD card, bypassing the 3DS's slow Wi-Fi and I/O speeds. For a large base game like Ultra Sun (over 3GB), this method can reduce installation time from nearly an hour to just a few minutes.
Installing a CIA file allows you to update your game without needing to access the Nintendo servers. pokemon ultra sun update 12 3ds world cia updated
, which was released by to address specific gameplay issues. Critical Bug Fixes in Version 1.2 For users with a PC, a tool called
Verify the FBI title manager is installed and updated on your Homebrew menu. For users with a PC