You can access the same save data by linking with the login account below in advance.
・Pokémon Trainer Club account
・Apple ID (iOS only)*
*Accounts highlighted in red are not available for players aged 15 years or younger.
*Age restrictions may vary depending on your region of residence.
If you start the game without linking any of the above login accounts, you will no longer be able to access your existing save data.
Please make sure to link your accounts to be able to access your save data in case of losing or damaging your device.