You can link a Nintendo Account to Animal Crossing: Pocket Camp in one of two ways:
❶ From the title screen, select Link Nintendo Account.
❷ From within the game, select More, select Settings, and then select Link Nintendo Account.
For customers that have linked a Nintendo Account:
If you previously linked Animal Crossing: Pocket Camp to a Nintendo Account and wish to link that Nintendo Account again, you will need to delete and reinstall the game and link your Nintendo Account during the initial setup.
If you link Animal Crossing: Pocket Camp to a Nintendo Account, you can later recover any user data that has been backed up to that Nintendo Account.
Please note that if you delete the user data linked to your Nintendo Account, you will not be able to recover it later.