How to unlock the camera dog's letter

The letter unlocking method of the camera puppy is as follows:

1. Buy and place the wooden mail box, hummingbird letter house, Goose Express and other items first.

2. Secondly, put 3-level sunflowers, 3-level daisies and 3-level blue wind chimes in the vase, and you can plant and upgrade them in the garden.

3. Finally, the mail of the camera dog will be unlocked, and you can receive the mail in the mailbox.