These instructions apply if you have already created your Whistle account. If you were unable to create a Whistle account with your previous device, please see How do I set up my Whistle FIT?

To Activate your Replacement Whistle FIT, follow the steps outlined in the following video or the steps listed below: 

  1. Tap on the human icon in the bottom navigation bar on the far right
  2. Tap Add a Whistle
  3. Select Whistle FIT
  4. Follow the instructions to charge your device and connect to Wi-Fi
  5. When you reach the “How are you using your new Whistle?” screen, select the pet that you are replacing the device for