For users with a standard setup, you can update the software directly through the system:
For those using custom firmware (CFW) and seeking the "CIA" file format: Tomodachi Life: Update 1.1 3DS (EUR/USA) CIA
Do you need help finding the for your custom firmware, or For users with a standard setup, you can
Resolved an issue where Miis would stop talking or exhibit incorrect behavior during certain island events. For users with a standard setup