For users with a standard Nintendo Switch, updates can be managed through the system's Software Update menu: All Version Differences in Pokemon Let's Go Pikachu & Eevee
When searching for the game, do not accept "XCI" or "NSZ" unless you know how to convert them. The format (Nintendo Submission Package) is the easiest to install via Tinfoil or Goldleaf . Pokemon- Let-s Go- Eevee- SWITCH NSP -Update-
Certain connectivity issues between the game and the mobile app were also addressed via Nintendo Switch System Update 7.0.1 in February 2019. The game can also link with the Pokémon HOME For users with a standard Nintendo Switch, updates