[If you previously played only with the Nintendo Switch Version]
・It is required to launch Pokémon Unite as the same Nintendo Switch User (associated with the correct Nintendo Account).
[If you previously played only with the Mobile Version]
When launching on the Nintendo Switch, it is necessary to select the same login platform linked to the smartphone version. The following login platforms are available on the Nintendo Switch version.
・Nintendo Account
・Pokémon Trainer Club
Furthermore, in order to carry over data it is necessary to first link one of the above login platforms to the smartphone version before launching the Nintendo Switch version.