If the eShop is still accessible for updates in your region, highlight the game icon on your Home Menu and follow the prompts to update via the internet.
The 1.1 update was primarily designed to fix a major game-breaking bug regarding the that could occur under specific conditions. It also improved overall system stability to enhance the user experience. How to Install the Update Tomodachi Life: Update 1.1 3DS (EUR/USA) CIA
Do you need help finding the for your custom firmware, or If the eShop is still accessible for updates
These files are typically installed using tools like . Once installed, the version number v1.1 will be visible on the game's title screen or in the system settings. Tomodachi Life: Update 1.1 3DS (EUR/USA) CIA