UPDATE – Demo has only been announced for PS4. Switch version hasn’t been announced yet. Sorry for the mistake!
SEGA has confirmed to Dengeki Online today that a free demo for Valkyria Chronicles 4 will be released on Nintendo Switch on February 26, 2018.
The demo will let players enjoy the first 2 chapters of the game. Save data from the demo can be transferred to the full game once it launches in Summer 2018. At the time of writing, the demo has only been announced for Japan.