To back up your game's levels, trophies/crowns, or statistics please do the following:

1. Open Device Settings.
2. Select "System" (you may need to scroll further down in the list).
3. Select "Backup"
4. Ensure the Back up to Google Drive toggle is selected.

You should now be able to see the data that is being backed up.

Once you have your new phone and have logged into the same account, you should be able to restore via the instructions on the following article:

As always, if Support can further assist, please feel free to reach out to us via Settings/Support within the game.

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