1. Open the Kiddoo app on your device.

2. Enter the main menu and press on your child portrait  in the top of the screen to access the kids' information.

3. Click on "Phone number" to change the Kiddoo SIM card number. Remember to enter the phone number in an international prefix number (+country code). For example, France (+33), please enter the country code and followed by the phone number "+33xxxxxxxxx".